Add coveralls

Gemfile

@@ -1,11 +1,14 @@
 source 'https://rubygems.org'
 group :development do
-  gem 'rspec', '~> 3.1.0'
   gem 'rdoc', '~> 3.12'
   gem 'bundler', '~> 1.0'
   gem 'juwelier', '~> 2.3'
-  gem 'simplecov', '>= 0'
   gem 'overcommit', '~> 0.33'
   gem 'reek', '~> 4.1'
   gem 'rubocop', '~> 0.44'
 end
+group :test do
+  gem 'coveralls', require: false
+  gem 'rspec', '~> 3.1.0'
+  gem 'simplecov', '>= 0'
+end

Gemfile.lock

@@ -14,6 +14,12 @@ GEM
       virtus (~> 1.0)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
+    coveralls (0.7.2)
+      multi_json (~> 1.3)
+      rest-client (= 1.6.7)
+      simplecov (>= 0.7)
+      term-ansicolor (= 1.2.2)
+      thor (= 0.18.1)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
     diff-lcs (1.3)
@@ -76,6 +82,8 @@ GEM
       codeclimate-engine-rb (~> 0.4.0)
       parser (>= 2.3.1.2, < 2.5)
       rainbow (~> 2.0)
+    rest-client (1.6.7)
+      mime-types (>= 1.16)
     rspec (3.1.0)
       rspec-core (~> 3.1.0)
       rspec-expectations (~> 3.1.0)
@@ -101,7 +109,11 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.0)
+    term-ansicolor (1.2.2)
+      tins (~> 0.8)
+    thor (0.18.1)
     thread_safe (0.3.6)
+    tins (0.13.2)
     unicode-display_width (1.1.3)
     virtus (1.0.5)
       axiom-types (~> 0.1)
@@ -114,6 +126,7 @@ PLATFORMS
 
 DEPENDENCIES
   bundler (~> 1.0)
+  coveralls
   juwelier (~> 2.3)
   overcommit (~> 0.33)
   rdoc (~> 3.12)

spec/spec_helper.rb

@@ -1,4 +1,8 @@
 require 'robinet'
+
+require 'coveralls'
+Coveralls.wear! if ENV['CI']
+
 RSpec.configure do |config|
   config.expect_with :rspec do |expectations|
     expectations.include_chain_clauses_in_custom_matcher_descriptions = true