upgrade rails to 4.1.8; remove version lock on sass-rails

Gemfile

@@ -2,11 +2,11 @@ source 'https://rubygems.org'
 
 ruby '2.1.5'
 
-gem 'rails', '4.1.4'
+gem 'rails', '4.1.8'
 gem 'pg'
 gem 'unicorn' # puma was leaking memory
 gem 'jquery-rails'
-gem 'sass-rails', '4.0.3'
+gem 'sass-rails'
 gem 'coffee-rails'
 gem 'slim-rails'
 gem 'slim', '2.0.2'

Gemfile.lock

@@ -20,27 +20,27 @@ GEM
   remote: https://rubygems.org/
   specs:
     CFPropertyList (2.2.8)
-    actionmailer (4.1.4)
-      actionpack (= 4.1.4)
-      actionview (= 4.1.4)
-      mail (~> 2.5.4)
-    actionpack (4.1.4)
-      actionview (= 4.1.4)
-      activesupport (= 4.1.4)
+    actionmailer (4.1.8)
+      actionpack (= 4.1.8)
+      actionview (= 4.1.8)
+      mail (~> 2.5, >= 2.5.4)
+    actionpack (4.1.8)
+      actionview (= 4.1.8)
+      activesupport (= 4.1.8)
       rack (~> 1.5.2)
       rack-test (~> 0.6.2)
-    actionview (4.1.4)
-      activesupport (= 4.1.4)
+    actionview (4.1.8)
+      activesupport (= 4.1.8)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-    activemodel (4.1.4)
-      activesupport (= 4.1.4)
+    activemodel (4.1.8)
+      activesupport (= 4.1.8)
       builder (~> 3.1)
-    activerecord (4.1.4)
-      activemodel (= 4.1.4)
-      activesupport (= 4.1.4)
+    activerecord (4.1.8)
+      activemodel (= 4.1.8)
+      activesupport (= 4.1.8)
       arel (~> 5.0.0)
-    activesupport (4.1.4)
+    activesupport (4.1.8)
       i18n (~> 0.6, >= 0.6.9)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -66,8 +66,8 @@ GEM
     bcrypt (3.1.9)
     bootstrap-will_paginate (0.0.10)
       will_paginate
-    bourbon (3.2.3)
-      sass (~> 3.2)
+    bourbon (4.0.2)
+      sass (~> 3.3)
       thor
     builder (3.2.2)
     capybara (2.4.4)
@@ -218,12 +218,11 @@ GEM
       activesupport (>= 3.0.0)
     kgio (2.9.2)
     libv8 (3.16.14.7)
-    mail (2.5.4)
-      mime-types (~> 1.16)
-      treetop (~> 1.4.8)
+    mail (2.6.3)
+      mime-types (>= 1.16, < 3)
     meta-tags (2.0.0)
       actionpack (>= 3.0.0)
-    mime-types (1.25.1)
+    mime-types (2.4.3)
     mini_portile (0.6.1)
     minitest (5.5.0)
     multi_json (1.10.1)
@@ -247,28 +246,27 @@ GEM
     pg (0.17.1)
     polyamorous (1.1.0)
       activerecord (>= 3.0)
-    polyglot (0.3.5)
     rack (1.5.2)
     rack-test (0.6.2)
       rack (>= 1.0)
-    rails (4.1.4)
-      actionmailer (= 4.1.4)
-      actionpack (= 4.1.4)
-      actionview (= 4.1.4)
-      activemodel (= 4.1.4)
-      activerecord (= 4.1.4)
-      activesupport (= 4.1.4)
+    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 (= 4.1.4)
+      railties (= 4.1.8)
       sprockets-rails (~> 2.0)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
     rails_serve_static_assets (0.0.3)
     rails_stdout_logging (0.0.3)
-    railties (4.1.4)
-      actionpack (= 4.1.4)
-      activesupport (= 4.1.4)
+    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)
@@ -303,12 +301,13 @@ GEM
       rspec-mocks (~> 3.1.0)
       rspec-support (~> 3.1.0)
     rspec-support (3.1.2)
-    sass (3.2.19)
-    sass-rails (4.0.3)
+    sass (3.4.9)
+    sass-rails (5.0.0)
       railties (>= 4.0.0, < 5.0)
-      sass (~> 3.2.0)
-      sprockets (~> 2.8, <= 2.11.0)
-      sprockets-rails (~> 2.0)
+      sass (~> 3.1)
+      sprockets (>= 2.8, < 4.0)
+      sprockets-rails (>= 2.0, < 4.0)
+      tilt (~> 1.1)
     simplecov (0.9.1)
       docile (~> 1.1.0)
       multi_json (~> 1.0)
@@ -324,7 +323,7 @@ GEM
       activesupport (>= 3.0, < 4.2)
       railties (>= 3.0, < 4.2)
       slim (~> 2.0)
-    sprockets (2.11.0)
+    sprockets (2.12.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -343,9 +342,6 @@ GEM
     thread_safe (0.3.4)
     tilt (1.4.1)
     tins (1.3.3)
-    treetop (1.4.15)
-      polyglot
-      polyglot (>= 0.3.1)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
     uglifier (2.6.0)
@@ -393,11 +389,11 @@ DEPENDENCIES
   paper_trail (= 3.0.5)
   paperclip (= 3.5.4)
   pg
-  rails (= 4.1.4)
+  rails (= 4.1.8)
   rails_12factor
   rdoc
   rspec-rails
-  sass-rails (= 4.0.3)
+  sass-rails
   sitemap_generator
   slim (= 2.0.2)
   slim-rails