diff --git a/db/20150724154106_create_themes_table.rb b/db/20150724154106_create_themes_table.rb
index 64ac0fd1..0d326836 100644
--- a/db/20150724154106_create_themes_table.rb
+++ b/db/20150724154106_create_themes_table.rb
@@ -1,4 +1,4 @@
-class CreateThemesTable < ActiveRecord::Migration
+class CreateThemesTable < ActiveRecord::Migration[4.2]
   def change
     create_table :themes do |t|
     end
diff --git a/db/migrate/20140801095807_devise_create_users.rb b/db/migrate/20140801095807_devise_create_users.rb
index cf497c27..0115292e 100644
--- a/db/migrate/20140801095807_devise_create_users.rb
+++ b/db/migrate/20140801095807_devise_create_users.rb
@@ -1,4 +1,4 @@
-class DeviseCreateUsers < ActiveRecord::Migration
+class DeviseCreateUsers < ActiveRecord::Migration[4.2]
   def change
     create_table(:users) do |t|
       ## Database authenticatable
diff --git a/db/migrate/20140801103309_add_screen_name_to_users.rb b/db/migrate/20140801103309_add_screen_name_to_users.rb
index dc4acf9a..ad028c8f 100644
--- a/db/migrate/20140801103309_add_screen_name_to_users.rb
+++ b/db/migrate/20140801103309_add_screen_name_to_users.rb
@@ -1,4 +1,4 @@
-class AddScreenNameToUsers < ActiveRecord::Migration
+class AddScreenNameToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :screen_name, :string
     add_index :users, :screen_name, unique: true
diff --git a/db/migrate/20140801174930_create_questions.rb b/db/migrate/20140801174930_create_questions.rb
index ce85c988..ae872a7e 100644
--- a/db/migrate/20140801174930_create_questions.rb
+++ b/db/migrate/20140801174930_create_questions.rb
@@ -1,4 +1,4 @@
-class CreateQuestions < ActiveRecord::Migration
+class CreateQuestions < ActiveRecord::Migration[4.2]
   def change
     create_table :questions do |t|
       t.string :content
diff --git a/db/migrate/20140801175112_create_answers.rb b/db/migrate/20140801175112_create_answers.rb
index d10e4682..510d73bc 100644
--- a/db/migrate/20140801175112_create_answers.rb
+++ b/db/migrate/20140801175112_create_answers.rb
@@ -1,4 +1,4 @@
-class CreateAnswers < ActiveRecord::Migration
+class CreateAnswers < ActiveRecord::Migration[4.2]
   def change
     create_table :answers do |t|
       t.string :content
diff --git a/db/migrate/20140801175137_create_comments.rb b/db/migrate/20140801175137_create_comments.rb
index 7d2e3e4c..cb785fff 100644
--- a/db/migrate/20140801175137_create_comments.rb
+++ b/db/migrate/20140801175137_create_comments.rb
@@ -1,4 +1,4 @@
-class CreateComments < ActiveRecord::Migration
+class CreateComments < ActiveRecord::Migration[4.2]
   def change
     create_table :comments do |t|
       t.string :content
diff --git a/db/migrate/20141102153520_add_counts_to_users.rb b/db/migrate/20141102153520_add_counts_to_users.rb
index d38c009b..37db7152 100644
--- a/db/migrate/20141102153520_add_counts_to_users.rb
+++ b/db/migrate/20141102153520_add_counts_to_users.rb
@@ -1,4 +1,4 @@
-class AddCountsToUsers < ActiveRecord::Migration
+class AddCountsToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :friend_count, :integer, default: 0, null: false
     add_column :users, :follower_count, :integer, default: 0, null: false
diff --git a/db/migrate/20141104143648_add_display_name_to_users.rb b/db/migrate/20141104143648_add_display_name_to_users.rb
index 9e783036..6db1c1c1 100644
--- a/db/migrate/20141104143648_add_display_name_to_users.rb
+++ b/db/migrate/20141104143648_add_display_name_to_users.rb
@@ -1,4 +1,4 @@
-class AddDisplayNameToUsers < ActiveRecord::Migration
+class AddDisplayNameToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :display_name, :string
   end
diff --git a/db/migrate/20141110210154_create_inboxes.rb b/db/migrate/20141110210154_create_inboxes.rb
index fca0cd00..bfb140d0 100644
--- a/db/migrate/20141110210154_create_inboxes.rb
+++ b/db/migrate/20141110210154_create_inboxes.rb
@@ -1,4 +1,4 @@
-class CreateInboxes < ActiveRecord::Migration
+class CreateInboxes < ActiveRecord::Migration[4.2]
   def change
     create_table :inboxes do |t|
       t.integer :user_id
diff --git a/db/migrate/20141113164048_add_smile_count_to_answers.rb b/db/migrate/20141113164048_add_smile_count_to_answers.rb
index b3983533..c40b7166 100644
--- a/db/migrate/20141113164048_add_smile_count_to_answers.rb
+++ b/db/migrate/20141113164048_add_smile_count_to_answers.rb
@@ -1,4 +1,4 @@
-class AddSmileCountToAnswers < ActiveRecord::Migration
+class AddSmileCountToAnswers < ActiveRecord::Migration[4.2]
   def change
     add_column :answers, :smile_count, :integer, default: 0, null: false
   end
diff --git a/db/migrate/20141113164314_add_smiled_count_to_users.rb b/db/migrate/20141113164314_add_smiled_count_to_users.rb
index 9bd92879..dda9e08b 100644
--- a/db/migrate/20141113164314_add_smiled_count_to_users.rb
+++ b/db/migrate/20141113164314_add_smiled_count_to_users.rb
@@ -1,4 +1,4 @@
-class AddSmiledCountToUsers < ActiveRecord::Migration
+class AddSmiledCountToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :smiled_count, :integer, default: 0, null: false
   end
diff --git a/db/migrate/20141126154451_add_admin_to_users.rb b/db/migrate/20141126154451_add_admin_to_users.rb
index 7dccaf2d..d225ea61 100644
--- a/db/migrate/20141126154451_add_admin_to_users.rb
+++ b/db/migrate/20141126154451_add_admin_to_users.rb
@@ -1,4 +1,4 @@
-class AddAdminToUsers < ActiveRecord::Migration
+class AddAdminToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :admin, :boolean, default: false, null: false
   end
diff --git a/db/migrate/20141129211448_add_motivation_header_to_users.rb b/db/migrate/20141129211448_add_motivation_header_to_users.rb
index 73dcefb7..7cd1d6dd 100644
--- a/db/migrate/20141129211448_add_motivation_header_to_users.rb
+++ b/db/migrate/20141129211448_add_motivation_header_to_users.rb
@@ -1,4 +1,4 @@
-class AddMotivationHeaderToUsers < ActiveRecord::Migration
+class AddMotivationHeaderToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :motivation_header, :string, default: '', null: false
   end
diff --git a/db/migrate/20141130130221_create_relationships.rb b/db/migrate/20141130130221_create_relationships.rb
index 838d0fea..98ab31e8 100644
--- a/db/migrate/20141130130221_create_relationships.rb
+++ b/db/migrate/20141130130221_create_relationships.rb
@@ -1,4 +1,4 @@
-class CreateRelationships < ActiveRecord::Migration
+class CreateRelationships < ActiveRecord::Migration[4.2]
   def change
     create_table :relationships do |t|
       t.integer :source_id
diff --git a/db/migrate/20141130175749_create_smiles.rb b/db/migrate/20141130175749_create_smiles.rb
index c993b858..de5004b4 100644
--- a/db/migrate/20141130175749_create_smiles.rb
+++ b/db/migrate/20141130175749_create_smiles.rb
@@ -1,4 +1,4 @@
-class CreateSmiles < ActiveRecord::Migration
+class CreateSmiles < ActiveRecord::Migration[4.2]
   def change
     create_table :smiles do |t|
       t.integer :user_id
diff --git a/db/migrate/20141130180152_rename_columns_in_answers.rb b/db/migrate/20141130180152_rename_columns_in_answers.rb
index 7798cc8f..0a3fac1f 100644
--- a/db/migrate/20141130180152_rename_columns_in_answers.rb
+++ b/db/migrate/20141130180152_rename_columns_in_answers.rb
@@ -1,4 +1,4 @@
-class RenameColumnsInAnswers < ActiveRecord::Migration
+class RenameColumnsInAnswers < ActiveRecord::Migration[4.2]
   def change
     rename_column :answers, :comments, :comment_count
     remove_column :answers, :likes
diff --git a/db/migrate/20141201191324_add_fields_to_users.rb b/db/migrate/20141201191324_add_fields_to_users.rb
index d6fb9ca8..6ba0d729 100644
--- a/db/migrate/20141201191324_add_fields_to_users.rb
+++ b/db/migrate/20141201191324_add_fields_to_users.rb
@@ -1,4 +1,4 @@
-class AddFieldsToUsers < ActiveRecord::Migration
+class AddFieldsToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :website, :string, default: '', null: false
     add_column :users, :location, :string, default: '', null: false
diff --git a/db/migrate/20141207194424_add_answer_count_to_questions.rb b/db/migrate/20141207194424_add_answer_count_to_questions.rb
index 76f139ac..ff3acb3e 100644
--- a/db/migrate/20141207194424_add_answer_count_to_questions.rb
+++ b/db/migrate/20141207194424_add_answer_count_to_questions.rb
@@ -1,4 +1,4 @@
-class AddAnswerCountToQuestions < ActiveRecord::Migration
+class AddAnswerCountToQuestions < ActiveRecord::Migration[4.2]
   def change
     add_column :questions, :answer_count, :integer, default: 0, null: false
   end
diff --git a/db/migrate/20141208111714_change_answer_content_column_type.rb b/db/migrate/20141208111714_change_answer_content_column_type.rb
index f882ba97..454b897c 100644
--- a/db/migrate/20141208111714_change_answer_content_column_type.rb
+++ b/db/migrate/20141208111714_change_answer_content_column_type.rb
@@ -1,4 +1,4 @@
-class ChangeAnswerContentColumnType < ActiveRecord::Migration
+class ChangeAnswerContentColumnType < ActiveRecord::Migration[4.2]
   def change
     change_table :answers do |t|
       t.change :content, :text
diff --git a/db/migrate/20141212193625_create_services.rb b/db/migrate/20141212193625_create_services.rb
index 0ee0db34..7426d605 100644
--- a/db/migrate/20141212193625_create_services.rb
+++ b/db/migrate/20141212193625_create_services.rb
@@ -1,4 +1,4 @@
-class CreateServices < ActiveRecord::Migration
+class CreateServices < ActiveRecord::Migration[4.2]
   def change
     create_table :services do |t|
       t.string :type,     null: false
diff --git a/db/migrate/20141213182609_create_notifications.rb b/db/migrate/20141213182609_create_notifications.rb
index 160261a3..a3fa3bcc 100644
--- a/db/migrate/20141213182609_create_notifications.rb
+++ b/db/migrate/20141213182609_create_notifications.rb
@@ -1,4 +1,4 @@
-class CreateNotifications < ActiveRecord::Migration
+class CreateNotifications < ActiveRecord::Migration[4.2]
   def change
     create_table :notifications do |t|
       t.string :target_type
diff --git a/db/migrate/20141226115905_add_moderator_to_users.rb b/db/migrate/20141226115905_add_moderator_to_users.rb
index 4d8d77f1..1ef1db05 100644
--- a/db/migrate/20141226115905_add_moderator_to_users.rb
+++ b/db/migrate/20141226115905_add_moderator_to_users.rb
@@ -1,4 +1,4 @@
-class AddModeratorToUsers < ActiveRecord::Migration
+class AddModeratorToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :moderator, :boolean, default: false, null: false
   end
diff --git a/db/migrate/20141227130438_create_reports.rb b/db/migrate/20141227130438_create_reports.rb
index 257ab53a..ce3c795c 100644
--- a/db/migrate/20141227130438_create_reports.rb
+++ b/db/migrate/20141227130438_create_reports.rb
@@ -1,4 +1,4 @@
-class CreateReports < ActiveRecord::Migration
+class CreateReports < ActiveRecord::Migration[4.2]
   def change
     create_table :reports do |t|
       t.string :type,       null: false
diff --git a/db/migrate/20141227130545_create_moderation_votes.rb b/db/migrate/20141227130545_create_moderation_votes.rb
index 339d2e8a..4e73c91a 100644
--- a/db/migrate/20141227130545_create_moderation_votes.rb
+++ b/db/migrate/20141227130545_create_moderation_votes.rb
@@ -1,4 +1,4 @@
-class CreateModerationVotes < ActiveRecord::Migration
+class CreateModerationVotes < ActiveRecord::Migration[4.2]
   def change
     create_table :moderation_votes do |t|
       t.integer :report_id, null: false
diff --git a/db/migrate/20141227130618_create_moderation_comments.rb b/db/migrate/20141227130618_create_moderation_comments.rb
index 13741f39..c06d8410 100644
--- a/db/migrate/20141227130618_create_moderation_comments.rb
+++ b/db/migrate/20141227130618_create_moderation_comments.rb
@@ -1,4 +1,4 @@
-class CreateModerationComments < ActiveRecord::Migration
+class CreateModerationComments < ActiveRecord::Migration[4.2]
   def change
     create_table :moderation_comments do |t|
       t.integer :report_id
diff --git a/db/migrate/20141228202825_add_deleted_to_reports.rb b/db/migrate/20141228202825_add_deleted_to_reports.rb
index e8dbab4a..c8c6d343 100644
--- a/db/migrate/20141228202825_add_deleted_to_reports.rb
+++ b/db/migrate/20141228202825_add_deleted_to_reports.rb
@@ -1,4 +1,4 @@
-class AddDeletedToReports < ActiveRecord::Migration
+class AddDeletedToReports < ActiveRecord::Migration[4.2]
   def change
     add_column :reports, :deleted, :boolean, default: false
   end
diff --git a/db/migrate/20141229085904_add_attachment_profile_picture_to_users.rb b/db/migrate/20141229085904_add_attachment_profile_picture_to_users.rb
index 5191d385..7c59a2fe 100644
--- a/db/migrate/20141229085904_add_attachment_profile_picture_to_users.rb
+++ b/db/migrate/20141229085904_add_attachment_profile_picture_to_users.rb
@@ -1,4 +1,4 @@
-class AddAttachmentProfilePictureToUsers < ActiveRecord::Migration
+class AddAttachmentProfilePictureToUsers < ActiveRecord::Migration[4.2]
   def self.up
     change_table :users do |t|
       t.attachment :profile_picture
diff --git a/db/migrate/20141229105013_add_profile_picture_processing_to_users.rb b/db/migrate/20141229105013_add_profile_picture_processing_to_users.rb
index a5f7e85d..0832cc17 100644
--- a/db/migrate/20141229105013_add_profile_picture_processing_to_users.rb
+++ b/db/migrate/20141229105013_add_profile_picture_processing_to_users.rb
@@ -1,4 +1,4 @@
-class AddProfilePictureProcessingToUsers < ActiveRecord::Migration
+class AddProfilePictureProcessingToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :profile_picture_processing, :boolean
   end
diff --git a/db/migrate/20141229133149_add_crop_values_to_users.rb b/db/migrate/20141229133149_add_crop_values_to_users.rb
index f3580dcf..8da16793 100644
--- a/db/migrate/20141229133149_add_crop_values_to_users.rb
+++ b/db/migrate/20141229133149_add_crop_values_to_users.rb
@@ -1,4 +1,4 @@
-class AddCropValuesToUsers < ActiveRecord::Migration
+class AddCropValuesToUsers < ActiveRecord::Migration[4.2]
   def change
     # this is a ugly hack and will stay until I find a way to pass parameters
     # to the paperclip Sidekiq worker.  oh well.
diff --git a/db/migrate/20150102231343_add_supporter_to_users.rb b/db/migrate/20150102231343_add_supporter_to_users.rb
index 7f691fa9..e23d5eb2 100644
--- a/db/migrate/20150102231343_add_supporter_to_users.rb
+++ b/db/migrate/20150102231343_add_supporter_to_users.rb
@@ -1,4 +1,4 @@
-class AddSupporterToUsers < ActiveRecord::Migration
+class AddSupporterToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :supporter, :boolean, default: false
   end
diff --git a/db/migrate/20150103200732_add_privacy_options_to_users.rb b/db/migrate/20150103200732_add_privacy_options_to_users.rb
index 464589ae..2d7ec342 100644
--- a/db/migrate/20150103200732_add_privacy_options_to_users.rb
+++ b/db/migrate/20150103200732_add_privacy_options_to_users.rb
@@ -1,4 +1,4 @@
-class AddPrivacyOptionsToUsers < ActiveRecord::Migration
+class AddPrivacyOptionsToUsers < ActiveRecord::Migration[4.2]
   def change
     %i{
       privacy_allow_anonymous_questions
diff --git a/db/migrate/20150112210754_add_banned_to_users.rb b/db/migrate/20150112210754_add_banned_to_users.rb
index 6b7c65b7..7a857608 100644
--- a/db/migrate/20150112210754_add_banned_to_users.rb
+++ b/db/migrate/20150112210754_add_banned_to_users.rb
@@ -1,4 +1,4 @@
-class AddBannedToUsers < ActiveRecord::Migration
+class AddBannedToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :banned, :boolean, default: false
   end
diff --git a/db/migrate/20150112210755_create_groups.rb b/db/migrate/20150112210755_create_groups.rb
index 252ae75b..9c44ef5c 100644
--- a/db/migrate/20150112210755_create_groups.rb
+++ b/db/migrate/20150112210755_create_groups.rb
@@ -1,4 +1,4 @@
-class CreateGroups < ActiveRecord::Migration
+class CreateGroups < ActiveRecord::Migration[4.2]
   def change
     create_table :groups do |t|
       t.integer :user_id, null: false
diff --git a/db/migrate/20150125191224_add_blogger_to_users.rb b/db/migrate/20150125191224_add_blogger_to_users.rb
index cc860fa3..05edee57 100644
--- a/db/migrate/20150125191224_add_blogger_to_users.rb
+++ b/db/migrate/20150125191224_add_blogger_to_users.rb
@@ -1,4 +1,4 @@
-class AddBloggerToUsers < ActiveRecord::Migration
+class AddBloggerToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :blogger, :boolean, default: :false
   end
diff --git a/db/migrate/20150419201122_add_contributor_to_users.rb b/db/migrate/20150419201122_add_contributor_to_users.rb
index b105796b..91a548aa 100644
--- a/db/migrate/20150419201122_add_contributor_to_users.rb
+++ b/db/migrate/20150419201122_add_contributor_to_users.rb
@@ -1,4 +1,4 @@
-class AddContributorToUsers < ActiveRecord::Migration
+class AddContributorToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :contributor, :boolean, default: :false
   end
diff --git a/db/migrate/20150420232305_create_subscriptions.rb b/db/migrate/20150420232305_create_subscriptions.rb
index 0fc970cb..72061a84 100644
--- a/db/migrate/20150420232305_create_subscriptions.rb
+++ b/db/migrate/20150420232305_create_subscriptions.rb
@@ -1,4 +1,4 @@
-class CreateSubscriptions < ActiveRecord::Migration
+class CreateSubscriptions < ActiveRecord::Migration[4.2]
   def change
     create_table :subscriptions do |t|
       t.integer :user_id, null: false
diff --git a/db/migrate/20150421120557_add_is_active_to_subscriptions.rb b/db/migrate/20150421120557_add_is_active_to_subscriptions.rb
index afdfc81e..059d4a7b 100644
--- a/db/migrate/20150421120557_add_is_active_to_subscriptions.rb
+++ b/db/migrate/20150421120557_add_is_active_to_subscriptions.rb
@@ -1,4 +1,4 @@
-class AddIsActiveToSubscriptions < ActiveRecord::Migration
+class AddIsActiveToSubscriptions < ActiveRecord::Migration[4.2]
   def change
     add_column :subscriptions, :is_active, :boolean, default: :true
   end
diff --git a/db/migrate/20150422024104_add_reason_to_report.rb b/db/migrate/20150422024104_add_reason_to_report.rb
index c3f31615..51531b65 100644
--- a/db/migrate/20150422024104_add_reason_to_report.rb
+++ b/db/migrate/20150422024104_add_reason_to_report.rb
@@ -1,4 +1,4 @@
-class AddReasonToReport < ActiveRecord::Migration
+class AddReasonToReport < ActiveRecord::Migration[4.2]
   def change
     add_column :reports, :reason, :string, default: nil
   end
diff --git a/db/migrate/20150422224203_rename_banned_to_permanently_banned_in_users.rb b/db/migrate/20150422224203_rename_banned_to_permanently_banned_in_users.rb
index 26d50c78..81954d3f 100644
--- a/db/migrate/20150422224203_rename_banned_to_permanently_banned_in_users.rb
+++ b/db/migrate/20150422224203_rename_banned_to_permanently_banned_in_users.rb
@@ -1,4 +1,4 @@
-class RenameBannedToPermanentlyBannedInUsers < ActiveRecord::Migration
+class RenameBannedToPermanentlyBannedInUsers < ActiveRecord::Migration[4.2]
   def up
     rename_column :users, :banned, :permanently_banned
   end
diff --git a/db/migrate/20150422224225_add_ban_reason_and_banned_until_to_users.rb b/db/migrate/20150422224225_add_ban_reason_and_banned_until_to_users.rb
index 9e2ac7a4..55936ff8 100644
--- a/db/migrate/20150422224225_add_ban_reason_and_banned_until_to_users.rb
+++ b/db/migrate/20150422224225_add_ban_reason_and_banned_until_to_users.rb
@@ -1,4 +1,4 @@
-class AddBanReasonAndBannedUntilToUsers < ActiveRecord::Migration
+class AddBanReasonAndBannedUntilToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :ban_reason, :string, default: nil
     add_column :users, :banned_until, :datetime, default: nil
diff --git a/db/migrate/20150504004931_create_comment_smiles.rb b/db/migrate/20150504004931_create_comment_smiles.rb
index e14cde62..ea86bca2 100644
--- a/db/migrate/20150504004931_create_comment_smiles.rb
+++ b/db/migrate/20150504004931_create_comment_smiles.rb
@@ -1,4 +1,4 @@
-class CreateCommentSmiles < ActiveRecord::Migration
+class CreateCommentSmiles < ActiveRecord::Migration[4.2]
   def change
     create_table :comment_smiles do |t|
       t.integer :user_id
diff --git a/db/migrate/20150508144336_add_attachment_profile_header_to_users.rb b/db/migrate/20150508144336_add_attachment_profile_header_to_users.rb
index 7cd1ae7e..dff46586 100644
--- a/db/migrate/20150508144336_add_attachment_profile_header_to_users.rb
+++ b/db/migrate/20150508144336_add_attachment_profile_header_to_users.rb
@@ -1,4 +1,4 @@
-class AddAttachmentProfileHeaderToUsers < ActiveRecord::Migration
+class AddAttachmentProfileHeaderToUsers < ActiveRecord::Migration[4.2]
   def change
     change_table :users do |t|
       t.attachment :profile_header
diff --git a/db/migrate/20150526031159_add_locale_to_user.rb b/db/migrate/20150526031159_add_locale_to_user.rb
index fdea9cfd..76c828c5 100644
--- a/db/migrate/20150526031159_add_locale_to_user.rb
+++ b/db/migrate/20150526031159_add_locale_to_user.rb
@@ -1,4 +1,4 @@
-class AddLocaleToUser < ActiveRecord::Migration
+class AddLocaleToUser < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :locale, :string
   end
diff --git a/db/migrate/20150619123121_add_translator_to_users.rb b/db/migrate/20150619123121_add_translator_to_users.rb
index 849d5ebc..8f8da49b 100644
--- a/db/migrate/20150619123121_add_translator_to_users.rb
+++ b/db/migrate/20150619123121_add_translator_to_users.rb
@@ -1,4 +1,4 @@
-class AddTranslatorToUsers < ActiveRecord::Migration
+class AddTranslatorToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :translator, :boolean, default: :false
   end
diff --git a/db/migrate/20150704072402_change_default_value_of_locale.rb b/db/migrate/20150704072402_change_default_value_of_locale.rb
index 5ee208ff..ed8f0fe8 100644
--- a/db/migrate/20150704072402_change_default_value_of_locale.rb
+++ b/db/migrate/20150704072402_change_default_value_of_locale.rb
@@ -1,4 +1,4 @@
-class ChangeDefaultValueOfLocale < ActiveRecord::Migration
+class ChangeDefaultValueOfLocale < ActiveRecord::Migration[4.2]
   def change
     change_column :users, :locale, :string, :default => 'en'
   end
diff --git a/db/migrate/20150721154255_add_confirmable_to_devise.rb b/db/migrate/20150721154255_add_confirmable_to_devise.rb
index 0ecd833d..fb435503 100644
--- a/db/migrate/20150721154255_add_confirmable_to_devise.rb
+++ b/db/migrate/20150721154255_add_confirmable_to_devise.rb
@@ -1,4 +1,4 @@
-class AddConfirmableToDevise < ActiveRecord::Migration
+class AddConfirmableToDevise < ActiveRecord::Migration[4.2]
   def up
     add_column :users, :confirmation_token, :string
     add_column :users, :confirmed_at, :datetime
diff --git a/db/migrate/20150825073030_create_themes.rb b/db/migrate/20150825073030_create_themes.rb
index dec69a9f..9c423709 100644
--- a/db/migrate/20150825073030_create_themes.rb
+++ b/db/migrate/20150825073030_create_themes.rb
@@ -1,4 +1,4 @@
-class CreateThemes < ActiveRecord::Migration
+class CreateThemes < ActiveRecord::Migration[4.2]
   def change
     create_table :themes do |t|
       t.integer :user_id, null: false
diff --git a/db/migrate/20150825180139_add_show_foreign_themes_to_users.rb b/db/migrate/20150825180139_add_show_foreign_themes_to_users.rb
index 4b7abd69..9d00452e 100644
--- a/db/migrate/20150825180139_add_show_foreign_themes_to_users.rb
+++ b/db/migrate/20150825180139_add_show_foreign_themes_to_users.rb
@@ -1,4 +1,4 @@
-class AddShowForeignThemesToUsers < ActiveRecord::Migration
+class AddShowForeignThemesToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :show_foreign_themes, :boolean, default: true, null: false
   end
diff --git a/db/migrate/20150826224857_add_input_and_outline_to_theme.rb b/db/migrate/20150826224857_add_input_and_outline_to_theme.rb
index e7e3cb8c..e4d24e3c 100644
--- a/db/migrate/20150826224857_add_input_and_outline_to_theme.rb
+++ b/db/migrate/20150826224857_add_input_and_outline_to_theme.rb
@@ -1,4 +1,4 @@
-class AddInputAndOutlineToTheme < ActiveRecord::Migration
+class AddInputAndOutlineToTheme < ActiveRecord::Migration[4.2]
   def change
     add_column :themes, :input_color, :integer, default: 0xFFFFFF, null: false
     add_column :themes, :input_text, :integer, default: 0x000000, null: false
diff --git a/db/migrate/20160105165913_add_export_fields_to_users.rb b/db/migrate/20160105165913_add_export_fields_to_users.rb
index 4b98e6e5..fe4a4fe8 100644
--- a/db/migrate/20160105165913_add_export_fields_to_users.rb
+++ b/db/migrate/20160105165913_add_export_fields_to_users.rb
@@ -1,4 +1,4 @@
-class AddExportFieldsToUsers < ActiveRecord::Migration
+class AddExportFieldsToUsers < ActiveRecord::Migration[4.2]
   def change
     add_column :users, :export_url, :string
     add_column :users, :export_processing, :boolean, default: false, null: false
diff --git a/db/schema.rb b/db/schema.rb
index 79959331..439625e6 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1,4 +1,3 @@
-# encoding: UTF-8
 # This file is auto-generated from the current state of the database. Instead
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.
@@ -11,276 +10,264 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160105165913) do
+ActiveRecord::Schema.define(version: 2016_01_05_165913) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
-  create_table "answers", force: :cascade do |t|
-    t.text     "content"
-    t.integer  "question_id"
-    t.integer  "comment_count", default: 0, null: false
-    t.integer  "user_id"
+  create_table "answers", id: :serial, force: :cascade do |t|
+    t.text "content"
+    t.integer "question_id"
+    t.integer "comment_count", default: 0, null: false
+    t.integer "user_id"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.integer  "smile_count",   default: 0, null: false
+    t.integer "smile_count", default: 0, null: false
+    t.index ["user_id", "created_at"], name: "index_answers_on_user_id_and_created_at"
   end
 
-  add_index "answers", ["user_id", "created_at"], name: "index_answers_on_user_id_and_created_at", using: :btree
-
-  create_table "comment_smiles", force: :cascade do |t|
-    t.integer  "user_id"
-    t.integer  "comment_id"
+  create_table "comment_smiles", id: :serial, force: :cascade do |t|
+    t.integer "user_id"
+    t.integer "comment_id"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.index ["comment_id"], name: "index_comment_smiles_on_comment_id"
+    t.index ["user_id", "comment_id"], name: "index_comment_smiles_on_user_id_and_comment_id", unique: true
+    t.index ["user_id"], name: "index_comment_smiles_on_user_id"
   end
 
-  add_index "comment_smiles", ["comment_id"], name: "index_comment_smiles_on_comment_id", using: :btree
-  add_index "comment_smiles", ["user_id", "comment_id"], name: "index_comment_smiles_on_user_id_and_comment_id", unique: true, using: :btree
-  add_index "comment_smiles", ["user_id"], name: "index_comment_smiles_on_user_id", using: :btree
-
-  create_table "comments", force: :cascade do |t|
-    t.string   "content"
-    t.integer  "answer_id"
-    t.integer  "user_id"
+  create_table "comments", id: :serial, force: :cascade do |t|
+    t.string "content"
+    t.integer "answer_id"
+    t.integer "user_id"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.integer  "smile_count", default: 0, null: false
+    t.integer "smile_count", default: 0, null: false
+    t.index ["user_id", "created_at"], name: "index_comments_on_user_id_and_created_at"
   end
 
-  add_index "comments", ["user_id", "created_at"], name: "index_comments_on_user_id_and_created_at", using: :btree
+  create_table "group_members", id: :serial, force: :cascade do |t|
+    t.integer "group_id", null: false
+    t.integer "user_id", null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.index ["group_id", "user_id"], name: "index_group_members_on_group_id_and_user_id", unique: true
+    t.index ["group_id"], name: "index_group_members_on_group_id"
+    t.index ["user_id"], name: "index_group_members_on_user_id"
+  end
 
-  create_table "group_members", force: :cascade do |t|
-    t.integer  "group_id",   null: false
-    t.integer  "user_id",    null: false
+  create_table "groups", id: :serial, force: :cascade do |t|
+    t.integer "user_id", null: false
+    t.string "name"
+    t.string "display_name"
+    t.boolean "private", default: true
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.index ["name"], name: "index_groups_on_name"
+    t.index ["user_id", "name"], name: "index_groups_on_user_id_and_name", unique: true
+    t.index ["user_id"], name: "index_groups_on_user_id"
+  end
+
+  create_table "inboxes", id: :serial, force: :cascade do |t|
+    t.integer "user_id"
+    t.integer "question_id"
+    t.boolean "new"
     t.datetime "created_at"
     t.datetime "updated_at"
   end
 
-  add_index "group_members", ["group_id", "user_id"], name: "index_group_members_on_group_id_and_user_id", unique: true, using: :btree
-  add_index "group_members", ["group_id"], name: "index_group_members_on_group_id", using: :btree
-  add_index "group_members", ["user_id"], name: "index_group_members_on_user_id", using: :btree
+  create_table "moderation_comments", id: :serial, force: :cascade do |t|
+    t.integer "report_id"
+    t.integer "user_id"
+    t.string "content"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.index ["user_id", "created_at"], name: "index_moderation_comments_on_user_id_and_created_at"
+  end
 
-  create_table "groups", force: :cascade do |t|
-    t.integer  "user_id",                     null: false
-    t.string   "name"
-    t.string   "display_name"
-    t.boolean  "private",      default: true
+  create_table "moderation_votes", id: :serial, force: :cascade do |t|
+    t.integer "report_id", null: false
+    t.integer "user_id", null: false
+    t.boolean "upvote", default: false, null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.index ["report_id"], name: "index_moderation_votes_on_report_id"
+    t.index ["user_id", "report_id"], name: "index_moderation_votes_on_user_id_and_report_id", unique: true
+    t.index ["user_id"], name: "index_moderation_votes_on_user_id"
+  end
+
+  create_table "notifications", id: :serial, force: :cascade do |t|
+    t.string "target_type"
+    t.integer "target_id"
+    t.integer "recipient_id"
+    t.boolean "new"
     t.datetime "created_at"
     t.datetime "updated_at"
   end
 
-  add_index "groups", ["name"], name: "index_groups_on_name", using: :btree
-  add_index "groups", ["user_id", "name"], name: "index_groups_on_user_id_and_name", unique: true, using: :btree
-  add_index "groups", ["user_id"], name: "index_groups_on_user_id", using: :btree
+  create_table "questions", id: :serial, force: :cascade do |t|
+    t.string "content"
+    t.boolean "author_is_anonymous"
+    t.string "author_name"
+    t.string "author_email"
+    t.integer "user_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer "answer_count", default: 0, null: false
+    t.index ["user_id", "created_at"], name: "index_questions_on_user_id_and_created_at"
+  end
 
-  create_table "inboxes", force: :cascade do |t|
-    t.integer  "user_id"
-    t.integer  "question_id"
-    t.boolean  "new"
+  create_table "relationships", id: :serial, force: :cascade do |t|
+    t.integer "source_id"
+    t.integer "target_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.index ["source_id", "target_id"], name: "index_relationships_on_source_id_and_target_id", unique: true
+    t.index ["source_id"], name: "index_relationships_on_source_id"
+    t.index ["target_id"], name: "index_relationships_on_target_id"
+  end
+
+  create_table "reports", id: :serial, force: :cascade do |t|
+    t.string "type", null: false
+    t.integer "target_id", null: false
+    t.integer "user_id", null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.boolean "deleted", default: false
+    t.string "reason"
+  end
+
+  create_table "services", id: :serial, force: :cascade do |t|
+    t.string "type", null: false
+    t.integer "user_id", null: false
+    t.string "uid"
+    t.string "access_token"
+    t.string "access_secret"
+    t.string "nickname"
     t.datetime "created_at"
     t.datetime "updated_at"
   end
 
-  create_table "moderation_comments", force: :cascade do |t|
-    t.integer  "report_id"
-    t.integer  "user_id"
-    t.string   "content"
+  create_table "smiles", id: :serial, force: :cascade do |t|
+    t.integer "user_id"
+    t.integer "answer_id"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.index ["answer_id"], name: "index_smiles_on_answer_id"
+    t.index ["user_id", "answer_id"], name: "index_smiles_on_user_id_and_answer_id", unique: true
+    t.index ["user_id"], name: "index_smiles_on_user_id"
   end
 
-  add_index "moderation_comments", ["user_id", "created_at"], name: "index_moderation_comments_on_user_id_and_created_at", using: :btree
-
-  create_table "moderation_votes", force: :cascade do |t|
-    t.integer  "report_id",                  null: false
-    t.integer  "user_id",                    null: false
-    t.boolean  "upvote",     default: false, null: false
-    t.datetime "created_at"
-    t.datetime "updated_at"
+  create_table "subscriptions", id: :serial, force: :cascade do |t|
+    t.integer "user_id", null: false
+    t.integer "answer_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.boolean "is_active", default: true
   end
 
-  add_index "moderation_votes", ["report_id"], name: "index_moderation_votes_on_report_id", using: :btree
-  add_index "moderation_votes", ["user_id", "report_id"], name: "index_moderation_votes_on_user_id_and_report_id", unique: true, using: :btree
-  add_index "moderation_votes", ["user_id"], name: "index_moderation_votes_on_user_id", using: :btree
-
-  create_table "notifications", force: :cascade do |t|
-    t.string   "target_type"
-    t.integer  "target_id"
-    t.integer  "recipient_id"
-    t.boolean  "new"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-  end
-
-  create_table "questions", force: :cascade do |t|
-    t.string   "content"
-    t.boolean  "author_is_anonymous"
-    t.string   "author_name"
-    t.string   "author_email"
-    t.integer  "user_id"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-    t.integer  "answer_count",        default: 0, null: false
-  end
-
-  add_index "questions", ["user_id", "created_at"], name: "index_questions_on_user_id_and_created_at", using: :btree
-
-  create_table "relationships", force: :cascade do |t|
-    t.integer  "source_id"
-    t.integer  "target_id"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-  end
-
-  add_index "relationships", ["source_id", "target_id"], name: "index_relationships_on_source_id_and_target_id", unique: true, using: :btree
-  add_index "relationships", ["source_id"], name: "index_relationships_on_source_id", using: :btree
-  add_index "relationships", ["target_id"], name: "index_relationships_on_target_id", using: :btree
-
-  create_table "reports", force: :cascade do |t|
-    t.string   "type",                       null: false
-    t.integer  "target_id",                  null: false
-    t.integer  "user_id",                    null: false
-    t.datetime "created_at"
-    t.datetime "updated_at"
-    t.boolean  "deleted",    default: false
-    t.string   "reason"
-  end
-
-  create_table "services", force: :cascade do |t|
-    t.string   "type",          null: false
-    t.integer  "user_id",       null: false
-    t.string   "uid"
-    t.string   "access_token"
-    t.string   "access_secret"
-    t.string   "nickname"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-  end
-
-  create_table "smiles", force: :cascade do |t|
-    t.integer  "user_id"
-    t.integer  "answer_id"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-  end
-
-  add_index "smiles", ["answer_id"], name: "index_smiles_on_answer_id", using: :btree
-  add_index "smiles", ["user_id", "answer_id"], name: "index_smiles_on_user_id_and_answer_id", unique: true, using: :btree
-  add_index "smiles", ["user_id"], name: "index_smiles_on_user_id", using: :btree
-
-  create_table "subscriptions", force: :cascade do |t|
-    t.integer  "user_id",                   null: false
-    t.integer  "answer_id",                 null: false
-    t.datetime "created_at",                null: false
-    t.datetime "updated_at",                null: false
-    t.boolean  "is_active",  default: true
-  end
-
-  create_table "themes", force: :cascade do |t|
-    t.integer  "user_id",                             null: false
-    t.integer  "primary_color",    default: 6174129
-    t.integer  "primary_text",     default: 16777215
-    t.integer  "danger_color",     default: 16711737
-    t.integer  "danger_text",      default: 16777215
-    t.integer  "success_color",    default: 4175384
-    t.integer  "success_text",     default: 16777215
-    t.integer  "warning_color",    default: 16741656
-    t.integer  "warning_text",     default: 16777215
-    t.integer  "info_color",       default: 10048699
-    t.integer  "info_text",        default: 16777215
-    t.integer  "default_color",    default: 2236962
-    t.integer  "default_text",     default: 15658734
-    t.integer  "panel_color",      default: 16382457
-    t.integer  "panel_text",       default: 1381653
-    t.integer  "link_color",       default: 6174129
-    t.integer  "background_color", default: 16777215
-    t.integer  "background_text",  default: 2236962
-    t.integer  "background_muted", default: 12303291
-    t.string   "css_file_name"
-    t.string   "css_content_type"
-    t.integer  "css_file_size"
+  create_table "themes", id: :serial, force: :cascade do |t|
+    t.integer "user_id", null: false
+    t.integer "primary_color", default: 6174129
+    t.integer "primary_text", default: 16777215
+    t.integer "danger_color", default: 16711737
+    t.integer "danger_text", default: 16777215
+    t.integer "success_color", default: 4175384
+    t.integer "success_text", default: 16777215
+    t.integer "warning_color", default: 16741656
+    t.integer "warning_text", default: 16777215
+    t.integer "info_color", default: 10048699
+    t.integer "info_text", default: 16777215
+    t.integer "default_color", default: 2236962
+    t.integer "default_text", default: 15658734
+    t.integer "panel_color", default: 16382457
+    t.integer "panel_text", default: 1381653
+    t.integer "link_color", default: 6174129
+    t.integer "background_color", default: 16777215
+    t.integer "background_text", default: 2236962
+    t.integer "background_muted", default: 12303291
+    t.string "css_file_name"
+    t.string "css_content_type"
+    t.integer "css_file_size"
     t.datetime "css_updated_at"
-    t.datetime "created_at",                          null: false
-    t.datetime "updated_at",                          null: false
-    t.integer  "input_color",      default: 16777215, null: false
-    t.integer  "input_text",       default: 0,        null: false
-    t.integer  "outline_color",    default: 6174129,  null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.integer "input_color", default: 16777215, null: false
+    t.integer "input_text", default: 0, null: false
+    t.integer "outline_color", default: 6174129, null: false
+    t.index ["user_id", "created_at"], name: "index_themes_on_user_id_and_created_at"
   end
 
-  add_index "themes", ["user_id", "created_at"], name: "index_themes_on_user_id_and_created_at", using: :btree
-
-  create_table "users", force: :cascade do |t|
-    t.string   "email",                             default: "",    null: false
-    t.string   "encrypted_password",                default: "",    null: false
-    t.string   "reset_password_token"
+  create_table "users", id: :serial, force: :cascade do |t|
+    t.string "email", default: "", null: false
+    t.string "encrypted_password", default: "", null: false
+    t.string "reset_password_token"
     t.datetime "reset_password_sent_at"
     t.datetime "remember_created_at"
-    t.integer  "sign_in_count",                     default: 0,     null: false
+    t.integer "sign_in_count", default: 0, null: false
     t.datetime "current_sign_in_at"
     t.datetime "last_sign_in_at"
-    t.string   "current_sign_in_ip"
-    t.string   "last_sign_in_ip"
+    t.string "current_sign_in_ip"
+    t.string "last_sign_in_ip"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.string   "screen_name"
-    t.integer  "friend_count",                      default: 0,     null: false
-    t.integer  "follower_count",                    default: 0,     null: false
-    t.integer  "asked_count",                       default: 0,     null: false
-    t.integer  "answered_count",                    default: 0,     null: false
-    t.integer  "commented_count",                   default: 0,     null: false
-    t.string   "display_name"
-    t.integer  "smiled_count",                      default: 0,     null: false
-    t.boolean  "admin",                             default: false, null: false
-    t.string   "motivation_header",                 default: "",    null: false
-    t.string   "website",                           default: "",    null: false
-    t.string   "location",                          default: "",    null: false
-    t.text     "bio",                               default: "",    null: false
-    t.boolean  "moderator",                         default: false, null: false
-    t.string   "profile_picture_file_name"
-    t.string   "profile_picture_content_type"
-    t.integer  "profile_picture_file_size"
+    t.string "screen_name"
+    t.integer "friend_count", default: 0, null: false
+    t.integer "follower_count", default: 0, null: false
+    t.integer "asked_count", default: 0, null: false
+    t.integer "answered_count", default: 0, null: false
+    t.integer "commented_count", default: 0, null: false
+    t.string "display_name"
+    t.integer "smiled_count", default: 0, null: false
+    t.boolean "admin", default: false, null: false
+    t.string "motivation_header", default: "", null: false
+    t.string "website", default: "", null: false
+    t.string "location", default: "", null: false
+    t.text "bio", default: "", null: false
+    t.boolean "moderator", default: false, null: false
+    t.string "profile_picture_file_name"
+    t.string "profile_picture_content_type"
+    t.integer "profile_picture_file_size"
     t.datetime "profile_picture_updated_at"
-    t.boolean  "profile_picture_processing"
-    t.integer  "crop_x"
-    t.integer  "crop_y"
-    t.integer  "crop_w"
-    t.integer  "crop_h"
-    t.boolean  "supporter",                         default: false
-    t.boolean  "privacy_allow_anonymous_questions", default: true
-    t.boolean  "privacy_allow_public_timeline",     default: true
-    t.boolean  "privacy_allow_stranger_answers",    default: true
-    t.boolean  "privacy_show_in_search",            default: true
-    t.boolean  "permanently_banned",                default: false
-    t.boolean  "blogger",                           default: false
-    t.boolean  "contributor",                       default: false
-    t.string   "ban_reason"
+    t.boolean "profile_picture_processing"
+    t.integer "crop_x"
+    t.integer "crop_y"
+    t.integer "crop_w"
+    t.integer "crop_h"
+    t.boolean "supporter", default: false
+    t.boolean "privacy_allow_anonymous_questions", default: true
+    t.boolean "privacy_allow_public_timeline", default: true
+    t.boolean "privacy_allow_stranger_answers", default: true
+    t.boolean "privacy_show_in_search", default: true
+    t.boolean "permanently_banned", default: false
+    t.boolean "blogger", default: false
+    t.boolean "contributor", default: false
+    t.string "ban_reason"
     t.datetime "banned_until"
-    t.integer  "comment_smiled_count",              default: 0,     null: false
-    t.string   "profile_header_file_name"
-    t.string   "profile_header_content_type"
-    t.integer  "profile_header_file_size"
+    t.integer "comment_smiled_count", default: 0, null: false
+    t.string "profile_header_file_name"
+    t.string "profile_header_content_type"
+    t.integer "profile_header_file_size"
     t.datetime "profile_header_updated_at"
-    t.boolean  "profile_header_processing"
-    t.integer  "crop_h_x"
-    t.integer  "crop_h_y"
-    t.integer  "crop_h_w"
-    t.integer  "crop_h_h"
-    t.string   "locale",                            default: "en"
-    t.boolean  "translator",                        default: false
-    t.string   "confirmation_token"
+    t.boolean "profile_header_processing"
+    t.integer "crop_h_x"
+    t.integer "crop_h_y"
+    t.integer "crop_h_w"
+    t.integer "crop_h_h"
+    t.string "locale", default: "en"
+    t.boolean "translator", default: false
+    t.string "confirmation_token"
     t.datetime "confirmed_at"
     t.datetime "confirmation_sent_at"
-    t.string   "unconfirmed_email"
-    t.boolean  "show_foreign_themes",               default: true,  null: false
-    t.string   "export_url"
-    t.boolean  "export_processing",                 default: false, null: false
+    t.string "unconfirmed_email"
+    t.boolean "show_foreign_themes", default: true, null: false
+    t.string "export_url"
+    t.boolean "export_processing", default: false, null: false
     t.datetime "export_created_at"
+    t.index ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true
+    t.index ["email"], name: "index_users_on_email", unique: true
+    t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
+    t.index ["screen_name"], name: "index_users_on_screen_name", unique: true
   end
 
-  add_index "users", ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true, using: :btree
-  add_index "users", ["email"], name: "index_users_on_email", unique: true, using: :btree
-  add_index "users", ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true, using: :btree
-  add_index "users", ["screen_name"], name: "index_users_on_screen_name", unique: true, using: :btree
-
 end