adds coveralls gem

Gemfile

@@ -56,5 +56,6 @@ end
 group :test do
   gem 'database_cleaner'
   gem 'poltergeist'
+  gem 'coveralls', require: false
 end
 

Gemfile.lock

@@ -75,6 +75,12 @@ GEM
       execjs
     coffee-script-source (1.9.1.1)
     columnize (0.9.0)
+    coveralls (0.8.2)
+      json (~> 1.8)
+      rest-client (>= 1.6.8, < 2)
+      simplecov (~> 0.10.0)
+      term-ansicolor (~> 1.3)
+      thor (~> 0.19.1)
     database_cleaner (1.4.1)
     debug_inspector (0.0.2)
     devise (3.5.1)
@@ -85,6 +91,9 @@ GEM
       thread_safe (~> 0.1)
       warden (~> 1.2.3)
     diff-lcs (1.2.5)
+    docile (1.1.5)
+    domain_name (0.5.24)
+      unf (>= 0.0.5, < 1.0.0)
     erubis (2.7.0)
     execjs (2.5.2)
     factory_girl (4.5.0)
@@ -97,6 +106,8 @@ GEM
       sass (>= 3.3.0, < 3.5)
     globalid (0.3.5)
       activesupport (>= 4.1.0)
+    http-cookie (1.0.2)
+      domain_name (~> 0.5)
     i18n (0.7.0)
     jbuilder (2.3.1)
       activesupport (>= 3.0.0, < 5)
@@ -121,6 +132,7 @@ GEM
     mini_portile (0.6.2)
     minitest (5.7.0)
     multi_json (1.11.2)
+    netrc (0.10.3)
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
     orm_adapter (0.5.0)
@@ -164,6 +176,10 @@ GEM
     recaptcha (0.4.0)
     responders (2.1.0)
       railties (>= 4.2.0, < 5)
+    rest-client (1.8.0)
+      http-cookie (>= 1.0.2, < 2.0)
+      mime-types (>= 1.16, < 3.0)
+      netrc (~> 0.7)
     rspec-core (3.3.1)
       rspec-support (~> 3.3.0)
     rspec-expectations (3.3.0)
@@ -191,6 +207,11 @@ GEM
     sdoc (0.4.1)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
+    simplecov (0.10.0)
+      docile (~> 1.1.0)
+      json (~> 1.8)
+      simplecov-html (~> 0.10.0)
+    simplecov-html (0.10.0)
     spring (1.3.6)
     sprockets (3.2.0)
       rack (~> 1.0)
@@ -198,9 +219,12 @@ GEM
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
+    term-ansicolor (1.3.2)
+      tins (~> 1.0)
     thor (0.19.1)
     thread_safe (0.3.5)
     tilt (1.4.1)
+    tins (1.5.4)
     turbolinks (2.5.3)
       coffee-rails
     tzinfo (1.2.2)
@@ -208,6 +232,9 @@ GEM
     uglifier (2.7.1)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.7.1)
     warden (1.2.3)
       rack (>= 1.0)
     web-console (2.2.1)
@@ -232,6 +259,7 @@ DEPENDENCIES
   capybara
   ckeditor
   coffee-rails (~> 4.1.0)
+  coveralls
   database_cleaner
   devise
   factory_girl_rails