Updates dependencies

Gemfile

@@ -48,7 +48,7 @@ group :test do
   gem 'minitest-reporters'
   gem 'minitest-rails'
   gem 'minitest-rails-capybara'
-  gem 'poltergeist', git: 'git://github.com/teampoltergeist/poltergeist.git'
+  gem 'poltergeist'
   gem 'vcr'
   gem 'webmock'
 end

Gemfile.lock

@@ -1,13 +1,3 @@
-GIT
-  remote: git://github.com/teampoltergeist/poltergeist.git
-  revision: c44714102f1e2c997004b614a27e69ef46307154
-  specs:
-    poltergeist (1.8.1)
-      capybara (~> 2.1)
-      cliver (~> 0.3.1)
-      multi_json (~> 1.0)
-      websocket-driver (>= 0.2.0)
-
 GEM
   remote: https://rubygems.org/
   specs:
@@ -181,12 +171,17 @@ GEM
       oauth2 (~> 1.0)
       omniauth (~> 1.2)
     orm_adapter (0.5.0)
-    parser (2.3.0.2)
+    parser (2.3.0.3)
       ast (~> 2.2)
     passenger (5.0.24)
       rack
       rake (>= 0.8.1)
     pg (0.18.4)
+    poltergeist (1.9.0)
+      capybara (~> 2.1)
+      cliver (~> 0.3.1)
+      multi_json (~> 1.0)
+      websocket-driver (>= 0.2.0)
     powerpack (0.1.1)
     rack (1.6.4)
     rack-test (0.6.3)
@@ -229,21 +224,22 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 3.0)
       netrc (~> 0.7)
-    rubocop (0.36.0)
-      parser (>= 2.3.0.0, < 3.0)
+    rubocop (0.37.0)
+      parser (>= 2.3.0.2, < 3.0)
       powerpack (~> 0.1)
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.7)
+      unicode-display_width (~> 0.3)
     ruby-progressbar (1.7.5)
     rubyzip (1.1.7)
     safe_yaml (1.0.4)
     sass (3.4.21)
-    simplecov (0.11.1)
+    simplecov (0.11.2)
       docile (~> 1.1.0)
       json (~> 1.8)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.0)
-    skylight (0.10.2)
+    skylight (0.10.3)
       activesupport (>= 3.0.0)
     sprockets (3.5.2)
       concurrent-ruby (~> 1.0)
@@ -274,7 +270,8 @@ GEM
       json (>= 1.8.0)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.1)
+    unf_ext (0.0.7.2)
+    unicode-display_width (0.3.1)
     vcr (3.0.1)
     warden (1.2.6)
       rack (>= 1.0)
@@ -318,7 +315,7 @@ DEPENDENCIES
   omniauth-oauth2
   passenger
   pg
-  poltergeist!
+  poltergeist
   rails (= 4.2.5.1)
   rails_12factor
   rest-client