Update Ruby 2.2.3 and gems

Gemfile

@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby '2.2.2'
+ruby '2.2.3'
 gem 'rails', '4.1.8'
 gem 'sass-rails', '~> 4.0.3'
 gem 'uglifier', '>= 1.3.0'

Gemfile.lock

@@ -63,7 +63,7 @@ GEM
       xpath (~> 2.0)
     celluloid (0.16.0)
       timers (~> 4.0.0)
-    childprocess (0.5.5)
+    childprocess (0.5.6)
       ffi (~> 1.0, >= 1.0.11)
     coderay (1.1.0)
     coffee-rails (4.0.1)
@@ -97,7 +97,7 @@ GEM
       railties (>= 3.0.0)
     faker (1.4.3)
       i18n (~> 0.5)
-    ffi (1.9.6)
+    ffi (1.9.10)
     foreman (0.76.0)
       dotenv (~> 1.0.2)
       thor (~> 0.19.1)
@@ -153,7 +153,7 @@ GEM
     jquery-rails (3.1.2)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.1)
+    json (1.8.3)
     kaminari (0.16.1)
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
@@ -170,7 +170,7 @@ GEM
     mime-types (2.4.3)
     mini_portile (0.6.2)
     minitest (5.5.0)
-    multi_json (1.10.1)
+    multi_json (1.11.2)
     nenv (0.1.1)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
@@ -265,7 +265,7 @@ GEM
     ruby-progressbar (1.7.1)
     ruby_parser (3.1.3)
       sexp_processor (~> 4.1)
-    rubyzip (1.1.6)
+    rubyzip (1.1.7)
     sass (3.2.19)
     sass-rails (4.0.5)
       railties (>= 4.0.0, < 5.0)
@@ -275,7 +275,7 @@ GEM
     sdoc (0.4.1)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
-    selenium-webdriver (2.44.0)
+    selenium-webdriver (2.47.1)
       childprocess (~> 0.5)
       multi_json (~> 1.0)
       rubyzip (~> 1.0)
@@ -323,7 +323,7 @@ GEM
       sass-rails
     warden (1.2.3)
       rack (>= 1.0)
-    websocket (1.2.1)
+    websocket (1.2.2)
     xpath (2.0.0)
       nokogiri (~> 1.3)