Update rails to 3.2.15

Gemfile

@@ -8,7 +8,7 @@ def linux_only(require_as)
   RUBY_PLATFORM.include?('linux') && require_as
 end
 
-gem "rails", "3.2.13"
+gem "rails", "3.2.15"
 
 # Supported DBs
 gem "mysql2", group: :mysql

Gemfile.lock

 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (3.2.13)
-      actionpack (= 3.2.13)
-      mail (~> 2.5.3)
-    actionpack (3.2.13)
-      activemodel (= 3.2.13)
-      activesupport (= 3.2.13)
+    actionmailer (3.2.15)
+      actionpack (= 3.2.15)
+      mail (~> 2.5.4)
+    actionpack (3.2.15)
+      activemodel (= 3.2.15)
+      activesupport (= 3.2.15)
       builder (~> 3.0.0)
       erubis (~> 2.7.0)
       journey (~> 1.0.4)
@@ -14,19 +14,19 @@ GEM
       rack-cache (~> 1.2)
       rack-test (~> 0.6.1)
       sprockets (~> 2.2.1)
-    activemodel (3.2.13)
-      activesupport (= 3.2.13)
+    activemodel (3.2.15)
+      activesupport (= 3.2.15)
       builder (~> 3.0.0)
-    activerecord (3.2.13)
-      activemodel (= 3.2.13)
-      activesupport (= 3.2.13)
+    activerecord (3.2.15)
+      activemodel (= 3.2.15)
+      activesupport (= 3.2.15)
       arel (~> 3.0.2)
       tzinfo (~> 0.3.29)
-    activeresource (3.2.13)
-      activemodel (= 3.2.13)
-      activesupport (= 3.2.13)
-    activesupport (3.2.13)
-      i18n (= 0.6.1)
+    activeresource (3.2.15)
+      activemodel (= 3.2.15)
+      activesupport (= 3.2.15)
+    activesupport (3.2.15)
+      i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
     acts-as-taggable-on (2.4.1)
       rails (>= 3, < 5)
@@ -235,7 +235,7 @@ GEM
       multi_json (~> 1.0)
       multi_xml (>= 0.5.2)
     httpauth (0.2.0)
-    i18n (0.6.1)
+    i18n (0.6.5)
     jasmine (1.3.2)
       jasmine-core (~> 1.3.1)
       rack (~> 1.0)
@@ -278,7 +278,7 @@ GEM
     minitest (4.7.4)
     modernizr (2.6.2)
       sprockets (~> 2.0)
-    multi_json (1.8.0)
+    multi_json (1.8.2)
     multi_xml (0.5.4)
     multipart-post (1.2.0)
     mysql2 (0.3.11)
@@ -348,14 +348,14 @@ GEM
       rack
     rack-test (0.6.2)
       rack (>= 1.0)
-    rails (3.2.13)
-      actionmailer (= 3.2.13)
-      actionpack (= 3.2.13)
-      activerecord (= 3.2.13)
-      activeresource (= 3.2.13)
-      activesupport (= 3.2.13)
+    rails (3.2.15)
+      actionmailer (= 3.2.15)
+      actionpack (= 3.2.15)
+      activerecord (= 3.2.15)
+      activeresource (= 3.2.15)
+      activesupport (= 3.2.15)
       bundler (~> 1.0)
-      railties (= 3.2.13)
+      railties (= 3.2.15)
     rails-dev-tweaks (0.6.1)
       actionpack (~> 3.1)
       railties (~> 3.1)
@@ -368,9 +368,9 @@ GEM
       i18n
       require_all
       ruby-progressbar
-    railties (3.2.13)
-      actionpack (= 3.2.13)
-      activesupport (= 3.2.13)
+    railties (3.2.15)
+      actionpack (= 3.2.15)
+      activesupport (= 3.2.15)
       rack-ssl (~> 1.3.2)
       rake (>= 0.8.7)
       rdoc (~> 3.4)
@@ -514,7 +514,7 @@ GEM
       multi_json (~> 1.5)
       twitter-stream (~> 0.1)
     tins (0.11.0)
-    treetop (1.4.14)
+    treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
     turbolinks (1.2.0)
@@ -523,7 +523,7 @@ GEM
       eventmachine (>= 0.12.8)
       http_parser.rb (~> 0.5.1)
       simple_oauth (~> 0.1.4)
-    tzinfo (0.3.37)
+    tzinfo (0.3.38)
     uglifier (2.1.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
@@ -614,7 +614,7 @@ DEPENDENCIES
   quiet_assets (~> 1.0.1)
   rack-attack
   rack-mini-profiler
-  rails (= 3.2.13)
+  rails (= 3.2.15)
   rails-dev-tweaks
   rails_best_practices
   raphael-rails (~> 2.1.2)