added display_name to users

db/migrate/20141104143648_add_display_name_to_users.rb

@@ -0,0 +1,5 @@
+class AddDisplayNameToUsers < ActiveRecord::Migration
+  def change
+    add_column :users, :display_name, :string
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20141102153520) do
+ActiveRecord::Schema.define(version: 20141104143648) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -69,6 +69,7 @@ ActiveRecord::Schema.define(version: 20141102153520) do
     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"
   end
 
   add_index "users", ["email"], name: "index_users_on_email", unique: true, using: :btree