refactor and move to selenium

Gemfile.lock

@@ -142,9 +142,8 @@ GEM
       capybara (>= 1.0, < 3)
       colored
       launchy
-    capybara-webkit (1.3.1)
-      capybara (>= 2.0.2, < 2.5.0)
-      json
+    childprocess (0.5.5)
+      ffi (~> 1.0, >= 1.0.11)
     climate_control (0.0.3)
       activesupport (>= 3.0)
     cocaine (0.5.5)
@@ -222,6 +221,7 @@ GEM
     faye-websocket (0.9.2)
       eventmachine (>= 0.12.0)
       websocket-driver (>= 0.5.1)
+    ffi (1.9.6)
     font-awesome-rails (4.2.0.0)
       railties (>= 3.2, < 5.0)
     foundation-rails (5.5.0.0)
@@ -369,6 +369,7 @@ GEM
       rspec-support (~> 3.1.0)
     rspec-support (3.1.2)
     ruby-progressbar (1.7.1)
+    rubyzip (1.1.6)
     safe_yaml (1.0.4)
     sass (3.3.14)
     sass-rails (5.0.0.beta1)
@@ -376,6 +377,11 @@ GEM
       sass (~> 3.2)
       sprockets (~> 2.12)
       sprockets-rails (>= 2.0, < 4.0)
+    selenium-webdriver (2.44.0)
+      childprocess (~> 0.5)
+      multi_json (~> 1.0)
+      rubyzip (~> 1.0)
+      websocket (~> 1.0)
     simplecov (0.9.1)
       docile (~> 1.1.0)
       multi_json (~> 1.0)
@@ -431,6 +437,7 @@ GEM
     webmock (1.20.4)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
+    websocket (1.2.1)
     websocket-driver (0.5.1)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.1)
@@ -450,7 +457,6 @@ DEPENDENCIES
   capistrano-rails (~> 1.1)
   capistrano-rvm (~> 0.1)
   capybara-screenshot
-  capybara-webkit
   cmtool!
   coffee-rails
   couch_potato!
@@ -484,6 +490,7 @@ DEPENDENCIES
   rspec-its
   rspec-rails
   sass-rails (= 5.0.0.beta1)
+  selenium-webdriver
   simplecov
   simply_stored!
   slim-rails