Updated selenium-webdriver to resolve issues using the latest versions of Firefox

Gemfile

@@ -61,7 +61,7 @@ group :test do
   gem 'rspec-rails', '~> 3.3.3'
   gem 'capybara', '~> 2.4.4'
   gem 'poltergeist', '~> 1.6.0'
-  gem 'selenium-webdriver', '~> 2.41.0'
+  gem 'selenium-webdriver', '~> 2.47.1'
   gem 'factory_girl_rails', '~> 4.4.1'
   gem 'timecop', '~> 0.7.1'
 end

Gemfile.lock

@@ -77,7 +77,7 @@ GEM
       activesupport (>= 3.2.0)
       json (>= 1.7)
       mime-types (>= 1.16)
-    childprocess (0.5.3)
+    childprocess (0.5.6)
       ffi (~> 1.0, >= 1.0.11)
     cliver (0.3.2)
     codeclimate-test-reporter (0.3.0)
@@ -111,7 +111,7 @@ GEM
       railties (>= 3.0.0)
     faraday (0.9.0)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.3)
+    ffi (1.9.10)
     font-awesome-sass (4.1.0)
       sass (~> 3.2)
     haml (4.0.5)
@@ -204,7 +204,7 @@ GEM
       rspec-mocks (~> 3.3.0)
       rspec-support (~> 3.3.0)
     rspec-support (3.3.0)
-    rubyzip (1.1.3)
+    rubyzip (1.1.7)
     sanitize (2.1.0)
       nokogiri (>= 1.4.4)
     sass (3.4.16)
@@ -214,11 +214,11 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (~> 1.1)
-    selenium-webdriver (2.41.0)
-      childprocess (>= 0.5.0)
+    selenium-webdriver (2.47.1)
+      childprocess (~> 0.5)
       multi_json (~> 1.0)
       rubyzip (~> 1.0)
-      websocket (~> 1.0.4)
+      websocket (~> 1.0)
     simplecov (0.7.1)
       multi_json (~> 1.0)
       simplecov-html (~> 0.7.1)
@@ -250,7 +250,7 @@ GEM
       execjs (>= 0.3.0)
       json (>= 1.8.0)
     unicode_utils (1.4.0)
-    websocket (1.0.7)
+    websocket (1.2.2)
     websocket-driver (0.5.4)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.2)
@@ -304,7 +304,7 @@ DEPENDENCIES
   rspec-rails (~> 3.3.3)
   sanitize (~> 2.1.0)
   sass-rails (~> 5.0.3)
-  selenium-webdriver (~> 2.41.0)
+  selenium-webdriver (~> 2.47.1)
   simplecov (~> 0.7.1)
   steam-condenser!
   test-unit (~> 3.1.3)