update rails version

Gemfile

@@ -18,7 +18,7 @@ gem "uglifier"
 gem 'coffee-rails'
 gem "therubyracer", :platforms => :ruby
 gem "pry", :group => [:test, :development]
-gem "rails", "~> 4.1.0"
+gem "rails", "~> 4.1.5"
 gem "pg"
 gem "kgio"
 gem "dalli"

Gemfile.lock

@@ -17,27 +17,27 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.1.0)
+    actionmailer (4.1.5)
-      actionpack (= 4.1.0)
+      actionpack (= 4.1.5)
-      actionview (= 4.1.0)
+      actionview (= 4.1.5)
       mail (~> 2.5.4)
-    actionpack (4.1.0)
+    actionpack (4.1.5)
-      actionview (= 4.1.0)
+      actionview (= 4.1.5)
-      activesupport (= 4.1.0)
+      activesupport (= 4.1.5)
       rack (~> 1.5.2)
       rack-test (~> 0.6.2)
-    actionview (4.1.0)
+    actionview (4.1.5)
-      activesupport (= 4.1.0)
+      activesupport (= 4.1.5)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-    activemodel (4.1.0)
+    activemodel (4.1.5)
-      activesupport (= 4.1.0)
+      activesupport (= 4.1.5)
       builder (~> 3.1)
-    activerecord (4.1.0)
+    activerecord (4.1.5)
-      activemodel (= 4.1.0)
+      activemodel (= 4.1.5)
-      activesupport (= 4.1.0)
+      activesupport (= 4.1.5)
       arel (~> 5.0.0)
-    activesupport (4.1.0)
+    activesupport (4.1.5)
       i18n (~> 0.6, >= 0.6.9)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -91,7 +91,7 @@ GEM
     hike (1.2.3)
     http-cookie (1.0.2)
       domain_name (~> 0.5)
-    i18n (0.6.9)
+    i18n (0.6.11)
     json (1.8.1)
     kgio (2.9.2)
     libv8 (3.16.14.3)
@@ -111,10 +111,10 @@ GEM
     method_source (0.8.2)
     mime-types (1.25.1)
     mini_portile (0.5.3)
-    minitest (5.3.2)
+    minitest (5.4.0)
     mocha (1.0.0)
       metaclass (~> 0.0.1)
-    multi_json (1.9.2)
+    multi_json (1.10.1)
     net-http-digest_auth (1.4)
     net-http-persistent (2.9.4)
     net-scp (1.2.0)
@@ -129,7 +129,7 @@ GEM
       mini_portile (~> 0.5.0)
     ntlm-http (0.1.1)
     pg (0.17.1)
-    polyglot (0.3.4)
+    polyglot (0.3.5)
     protected_attributes (1.0.7)
       activemodel (>= 4.0.1, < 5.0)
     pry (0.9.12.6)
@@ -140,23 +140,23 @@ GEM
     rack-test (0.6.2)
       rack (>= 1.0)
     radix62 (1.0.1)
-    rails (4.1.0)
+    rails (4.1.5)
-      actionmailer (= 4.1.0)
+      actionmailer (= 4.1.5)
-      actionpack (= 4.1.0)
+      actionpack (= 4.1.5)
-      actionview (= 4.1.0)
+      actionview (= 4.1.5)
-      activemodel (= 4.1.0)
+      activemodel (= 4.1.5)
-      activerecord (= 4.1.0)
+      activerecord (= 4.1.5)
-      activesupport (= 4.1.0)
+      activesupport (= 4.1.5)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.1.0)
+      railties (= 4.1.5)
       sprockets-rails (~> 2.0)
-    railties (4.1.0)
+    railties (4.1.5)
-      actionpack (= 4.1.0)
+      actionpack (= 4.1.5)
-      activesupport (= 4.1.0)
+      activesupport (= 4.1.5)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     raindrops (0.13.0)
-    rake (10.2.2)
+    rake (10.3.2)
     ref (1.0.5)
     rmagick (2.13.2)
     ruby-prof (0.14.2)
@@ -201,14 +201,14 @@ GEM
       libv8 (~> 3.16.14.0)
       ref
     thor (0.19.1)
-    thread_safe (0.3.3)
+    thread_safe (0.3.4)
     tilt (1.4.1)
     timecop (0.7.1)
     tins (1.1.0)
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
-    tzinfo (1.1.0)
+    tzinfo (1.2.2)
       thread_safe (~> 0.1)
     uglifier (2.5.0)
       execjs (>= 0.3.0)
@@ -259,7 +259,7 @@ DEPENDENCIES
   protected_attributes
   pry
   radix62 (~> 1.0.1)
-  rails (~> 4.1.0)
+  rails (~> 4.1.5)
   rmagick
   ruby-imagespec!
   ruby-prof