update Rails to 4.1.8

Gemfile

@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 source 'https://rails-assets.org'
 
-gem 'rails', '4.1.7'
+gem 'rails', '4.1.8'
 
 gem 'pg', group: :postgres
 gem 'mysql2', group: :mysql

Gemfile.lock

@@ -2,27 +2,27 @@ GEM
   remote: https://rubygems.org/
   remote: https://rails-assets.org/
   specs:
-    actionmailer (4.1.7)
-      actionpack (= 4.1.7)
-      actionview (= 4.1.7)
+    actionmailer (4.1.8)
+      actionpack (= 4.1.8)
+      actionview (= 4.1.8)
       mail (~> 2.5, >= 2.5.4)
-    actionpack (4.1.7)
-      actionview (= 4.1.7)
-      activesupport (= 4.1.7)
+    actionpack (4.1.8)
+      actionview (= 4.1.8)
+      activesupport (= 4.1.8)
       rack (~> 1.5.2)
       rack-test (~> 0.6.2)
-    actionview (4.1.7)
-      activesupport (= 4.1.7)
+    actionview (4.1.8)
+      activesupport (= 4.1.8)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-    activemodel (4.1.7)
-      activesupport (= 4.1.7)
+    activemodel (4.1.8)
+      activesupport (= 4.1.8)
       builder (~> 3.1)
-    activerecord (4.1.7)
-      activemodel (= 4.1.7)
-      activesupport (= 4.1.7)
+    activerecord (4.1.8)
+      activemodel (= 4.1.8)
+      activesupport (= 4.1.8)
       arel (~> 5.0.0)
-    activesupport (4.1.7)
+    activesupport (4.1.8)
       i18n (~> 0.6, >= 0.6.9)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -75,7 +75,7 @@ GEM
       railties (>= 3.2, < 5.0)
     font-kit-rails (1.1.0)
       rails
-    haml (4.0.5)
+    haml (4.0.6)
       tilt
     hike (1.2.3)
     http_accept_language (2.0.2)
@@ -111,27 +111,27 @@ GEM
     rack (1.5.2)
     rack-test (0.6.2)
       rack (>= 1.0)
-    rails (4.1.7)
-      actionmailer (= 4.1.7)
-      actionpack (= 4.1.7)
-      actionview (= 4.1.7)
-      activemodel (= 4.1.7)
-      activerecord (= 4.1.7)
-      activesupport (= 4.1.7)
+    rails (4.1.8)
+      actionmailer (= 4.1.8)
+      actionpack (= 4.1.8)
+      actionview (= 4.1.8)
+      activemodel (= 4.1.8)
+      activerecord (= 4.1.8)
+      activesupport (= 4.1.8)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.1.7)
+      railties (= 4.1.8)
       sprockets-rails (~> 2.0)
-    rails-assets-growl (1.2.0)
+    rails-assets-growl (1.2.4)
       rails-assets-jquery
     rails-assets-jquery (2.1.1)
-    railties (4.1.7)
-      actionpack (= 4.1.7)
-      activesupport (= 4.1.7)
+    railties (4.1.8)
+      actionpack (= 4.1.8)
+      activesupport (= 4.1.8)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     raindrops (0.13.0)
-    rake (10.4.0)
-    rdoc (4.1.2)
+    rake (10.4.2)
+    rdoc (4.2.0)
       json (~> 1.4)
     responders (1.1.2)
       railties (>= 3.2, < 4.2)
@@ -151,7 +151,7 @@ GEM
       rspec-mocks (~> 3.0.0)
       rspec-support (~> 3.0.0)
     rspec-support (3.0.4)
-    ruby-progressbar (1.5.1)
+    ruby-progressbar (1.7.0)
     sass (3.2.19)
     sass-rails (4.0.5)
       railties (>= 4.0.0, < 5.0)
@@ -172,7 +172,7 @@ GEM
       multi_json (~> 1.0)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
-    sprockets-rails (2.2.1)
+    sprockets-rails (2.2.2)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
@@ -183,7 +183,7 @@ GEM
     thor (0.19.1)
     thread_safe (0.3.4)
     tilt (1.4.1)
-    turbolinks (2.5.2)
+    turbolinks (2.5.3)
       coffee-rails
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
@@ -228,7 +228,7 @@ DEPENDENCIES
   nprogress-rails
   pg
   poltergeist
-  rails (= 4.1.7)
+  rails (= 4.1.8)
   rails-assets-growl
   rspec-rails (~> 3.0.0)
   ruby-progressbar