diff --git a/Gemfile b/Gemfile
index d78616d..586a4f6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-gem 'rails', '4.2.6'
+gem 'rails', '~> 4.2.6'
 
 gem 'sqlite3'
 gem 'pg'
diff --git a/Gemfile.lock b/Gemfile.lock
index 406d249..6cbe9a3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,45 +1,44 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.2.6)
-      actionpack (= 4.2.6)
-      actionview (= 4.2.6)
-      activejob (= 4.2.6)
+    actionmailer (4.2.10)
+      actionpack (= 4.2.10)
+      actionview (= 4.2.10)
+      activejob (= 4.2.10)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.6)
-      actionview (= 4.2.6)
-      activesupport (= 4.2.6)
+    actionpack (4.2.10)
+      actionview (= 4.2.10)
+      activesupport (= 4.2.10)
       rack (~> 1.6)
       rack-test (~> 0.6.2)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (4.2.6)
-      activesupport (= 4.2.6)
+    actionview (4.2.10)
+      activesupport (= 4.2.10)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    activejob (4.2.6)
-      activesupport (= 4.2.6)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (4.2.10)
+      activesupport (= 4.2.10)
       globalid (>= 0.3.0)
-    activemodel (4.2.6)
-      activesupport (= 4.2.6)
+    activemodel (4.2.10)
+      activesupport (= 4.2.10)
       builder (~> 3.1)
-    activerecord (4.2.6)
-      activemodel (= 4.2.6)
-      activesupport (= 4.2.6)
+    activerecord (4.2.10)
+      activemodel (= 4.2.10)
+      activesupport (= 4.2.10)
       arel (~> 6.0)
-    activesupport (4.2.6)
+    activesupport (4.2.10)
       i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     addressable (2.4.0)
     airbrussh (1.1.1)
       sshkit (>= 1.6.1, != 1.7.0)
-    arel (6.0.3)
+    arel (6.0.4)
     ast (2.3.0)
     autoprefixer-rails (6.5.1)
       execjs
@@ -58,7 +57,7 @@ GEM
       rails (>= 3.1.0)
     bootswatch-rails (3.3.5)
       railties (>= 3.1)
-    builder (3.2.2)
+    builder (3.2.3)
     capistrano (3.6.1)
       airbrussh (>= 1.0.0)
       capistrano-harrow
@@ -98,9 +97,10 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.10.0)
-    concurrent-ruby (1.0.2)
+    concurrent-ruby (1.1.3)
     copy_carrierwave_file (1.3.0)
       carrierwave (>= 0.9)
+    crass (1.0.4)
     debug_inspector (0.0.2)
     devise (4.2.0)
       bcrypt (~> 3.0)
@@ -132,8 +132,8 @@ GEM
     font-awesome-sass (4.6.2)
       sass (>= 3.2)
     formatador (0.2.5)
-    globalid (0.3.7)
-      activesupport (>= 4.1.0)
+    globalid (0.4.1)
+      activesupport (>= 4.2.0)
     globalize (5.0.1)
       activemodel (>= 4.2.0, < 4.3)
       activerecord (>= 4.2.0, < 4.3)
@@ -155,7 +155,8 @@ GEM
     hirb (0.7.3)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     i18n-tasks (0.9.5)
       activesupport (>= 4.0.2)
       ast (>= 2.1.0)
@@ -178,25 +179,27 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.6)
+    json (2.1.0)
     libv8 (6.7.288.46.1)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.0.3)
+    loofah (2.2.3)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.10)
-    mail (2.6.4)
-      mime-types (>= 1.16, < 4)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
     method_source (0.8.2)
     mime-types (2.99.3)
     mimemagic (0.3.2)
     mini_magick (4.5.1)
-    mini_portile2 (2.1.0)
+    mini_mime (1.0.1)
+    mini_portile2 (2.3.0)
     mini_racer (0.2.4)
       libv8 (>= 6.3)
-    minitest (5.9.1)
+    minitest (5.11.3)
     morrisjs-rails (0.5.1)
       railties (> 3.1, < 5)
     multi_json (1.12.1)
@@ -207,8 +210,8 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (3.2.0)
     netrc (0.11.0)
-    nokogiri (1.6.8.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.8.5)
+      mini_portile2 (~> 2.3.0)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -229,44 +232,44 @@ GEM
     puma (3.10.0)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    rack (1.6.4)
+    rack (1.6.11)
     rack-protection (1.5.3)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.2.6)
-      actionmailer (= 4.2.6)
-      actionpack (= 4.2.6)
-      actionview (= 4.2.6)
-      activejob (= 4.2.6)
-      activemodel (= 4.2.6)
-      activerecord (= 4.2.6)
-      activesupport (= 4.2.6)
+    rails (4.2.10)
+      actionmailer (= 4.2.10)
+      actionpack (= 4.2.10)
+      actionview (= 4.2.10)
+      activejob (= 4.2.10)
+      activemodel (= 4.2.10)
+      activerecord (= 4.2.10)
+      activesupport (= 4.2.10)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.6)
+      railties (= 4.2.10)
       sprockets-rails
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.7)
-      activesupport (>= 4.2.0.beta, < 5.0)
-      nokogiri (~> 1.6.0)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
     rails-erd (1.5.0)
       activerecord (>= 3.2)
       activesupport (>= 3.2)
       choice (~> 0.2.0)
       ruby-graphviz (~> 1.2)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
     rails-i18n (4.0.9)
       i18n (~> 0.7)
       railties (~> 4.0)
-    railties (4.2.6)
-      actionpack (= 4.2.6)
-      activesupport (= 4.2.6)
+    railties (4.2.10)
+      actionpack (= 4.2.10)
+      activesupport (= 4.2.10)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (11.3.0)
+    rake (12.3.1)
     raphael-rails (2.1.2)
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
@@ -343,10 +346,10 @@ GEM
       activesupport (>= 4.2)
     spring-commands-rspec (1.0.4)
       spring (>= 0.9.1)
-    sprockets (3.7.0)
+    sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.2.0)
+    sprockets-rails (3.2.1)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
@@ -359,12 +362,12 @@ GEM
       tins (~> 1.0)
     terminal-table (1.7.3)
       unicode-display_width (~> 1.1.1)
-    thor (0.19.1)
+    thor (0.20.3)
     thread (0.2.2)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (2.0.5)
     tins (1.12.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     uglifier (3.0.2)
       execjs (>= 0.3.0, < 3)
@@ -419,7 +422,7 @@ DEPENDENCIES
   pry-rails
   puma
   quiet_assets
-  rails (= 4.2.6)
+  rails (~> 4.2.6)
   rails-erd
   rails-i18n
   raphael-rails