diff --git a/Gemfile.lock b/Gemfile.lock
index 1455d2e..3ccfa9f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,36 +1,36 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.2.1)
-      actionpack (= 4.2.1)
-      actionview (= 4.2.1)
-      activejob (= 4.2.1)
+    actionmailer (4.2.6)
+      actionpack (= 4.2.6)
+      actionview (= 4.2.6)
+      activejob (= 4.2.6)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.1)
-      actionview (= 4.2.1)
-      activesupport (= 4.2.1)
+    actionpack (4.2.6)
+      actionview (= 4.2.6)
+      activesupport (= 4.2.6)
       rack (~> 1.6)
       rack-test (~> 0.6.2)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.1)
-    actionview (4.2.1)
-      activesupport (= 4.2.1)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (4.2.6)
+      activesupport (= 4.2.6)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.1)
-    activejob (4.2.1)
-      activesupport (= 4.2.1)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    activejob (4.2.6)
+      activesupport (= 4.2.6)
       globalid (>= 0.3.0)
-    activemodel (4.2.1)
-      activesupport (= 4.2.1)
+    activemodel (4.2.6)
+      activesupport (= 4.2.6)
       builder (~> 3.1)
-    activerecord (4.2.1)
-      activemodel (= 4.2.1)
-      activesupport (= 4.2.1)
+    activerecord (4.2.6)
+      activemodel (= 4.2.6)
+      activesupport (= 4.2.6)
       arel (~> 6.0)
-    activesupport (4.2.1)
+    activesupport (4.2.6)
       i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -40,7 +40,7 @@ GEM
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
     builder (3.2.2)
-    byebug (8.2.2)
+    byebug (9.0.5)
     coderay (1.1.1)
     coffee-rails (4.1.1)
       coffee-script (>= 2.2.0)
@@ -49,18 +49,18 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.10.0)
-    concurrent-ruby (1.0.1)
+    concurrent-ruby (1.0.2)
     debug_inspector (0.0.2)
     diff-lcs (1.2.5)
     erubis (2.7.0)
-    execjs (2.6.0)
+    execjs (2.7.0)
     ffi (1.9.10)
     formatador (0.2.5)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
-    guard (2.13.0)
+    guard (2.14.0)
       formatador (>= 0.2.4)
-      listen (>= 2.7, <= 4.0)
+      listen (>= 2.7, < 4.0)
       lumberjack (~> 1.0)
       nenv (~> 0.1)
       notiffany (~> 0.0)
@@ -68,7 +68,7 @@ GEM
       shellany (~> 0.0)
       thor (>= 0.18.1)
     guard-compat (1.2.1)
-    guard-rspec (4.6.5)
+    guard-rspec (4.7.2)
       guard (~> 2.1)
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
@@ -78,7 +78,7 @@ GEM
       json (~> 1.8)
       multi_xml (>= 0.5.2)
     i18n (0.7.0)
-    jbuilder (2.4.1)
+    jbuilder (2.5.0)
       activesupport (>= 3.0.0, < 5.1)
       multi_json (~> 1.2)
     jquery-rails (4.1.1)
@@ -86,29 +86,32 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.3)
-    listen (3.0.6)
-      rb-fsevent (>= 0.9.3)
-      rb-inotify (>= 0.9.7)
+    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)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.10)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
     method_source (0.8.2)
-    mime-types (3.0)
+    mime-types (3.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0221)
-    mini_portile2 (2.0.0)
-    minitest (5.8.4)
-    multi_json (1.11.2)
+    mime-types-data (3.2016.0521)
+    mini_portile2 (2.1.0)
+    minitest (5.9.0)
+    multi_json (1.12.1)
     multi_xml (0.5.5)
     nenv (0.3.0)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
-    notiffany (0.0.8)
+    nokogiri (1.6.8)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
+    notiffany (0.1.0)
       nenv (~> 0.1)
       shellany (~> 0.0)
     pg (0.18.4)
+    pkg-config (1.1.7)
     pry (0.10.3)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -116,16 +119,16 @@ GEM
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.2.1)
-      actionmailer (= 4.2.1)
-      actionpack (= 4.2.1)
-      actionview (= 4.2.1)
-      activejob (= 4.2.1)
-      activemodel (= 4.2.1)
-      activerecord (= 4.2.1)
-      activesupport (= 4.2.1)
+    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)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.1)
+      railties (= 4.2.6)
       sprockets-rails
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
@@ -140,12 +143,12 @@ GEM
       rails_stdout_logging
     rails_serve_static_assets (0.0.5)
     rails_stdout_logging (0.0.5)
-    railties (4.2.1)
-      actionpack (= 4.2.1)
-      activesupport (= 4.2.1)
+    railties (4.2.6)
+      actionpack (= 4.2.6)
+      activesupport (= 4.2.6)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (11.1.2)
+    rake (11.2.2)
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
@@ -172,6 +175,7 @@ GEM
       rspec-mocks (~> 3.4.0)
       rspec-support (~> 3.4.0)
     rspec-support (3.4.1)
+    ruby_dep (1.3.1)
     sass (3.4.22)
     sass-rails (5.0.4)
       railties (>= 4.0.0, < 5.0)
@@ -184,8 +188,8 @@ GEM
       rdoc (~> 4.0)
     shellany (0.0.1)
     slop (3.6.0)
-    spring (1.6.4)
-    sprockets (3.5.2)
+    spring (1.7.1)
+    sprockets (3.6.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.0.4)
@@ -197,7 +201,7 @@ GEM
       httparty
     thor (0.19.1)
     thread_safe (0.3.5)
-    tilt (2.0.2)
+    tilt (2.0.5)
     turbolinks (2.5.3)
       coffee-rails
     tzinfo (1.2.2)
@@ -221,7 +225,7 @@ DEPENDENCIES
   jbuilder (~> 2.0)
   jquery-rails
   pg
-  rails (= 4.2.1)
+  rails (= 4.2.6)
   rails_12factor
   rspec-rails
   sass-rails (~> 5.0)
@@ -233,5 +237,8 @@ DEPENDENCIES
   uglifier (>= 1.3.0)
   web-console (~> 2.0)
 
+RUBY VERSION
+   ruby 2.3.0p0
+
 BUNDLED WITH
-   1.10.6
+   1.12.4