Add code coverage using Scrutinizer.

Author: varyonic

Diff for: Gemfile

@@ -4,3 +4,7 @@ gem "rspec"    , '~> 2.1'
 gem "rake"     , '~> 0.8', '>= 0.8.7'
 gem "authorizenet"  , '~> 1.9.2'
 
+group :test do
+  gem 'simplecov', require: false # Test coverage. Go to /coverage/ after running tests
+  gem 'scrutinizer-ocular', require: false # Test coverage website. Go to https://scrutinizer.com
+end

Diff for: README.md

@@ -1,5 +1,6 @@
 # Ruby Sample Code for the Authorize.Net SDK
-[![Travis CI Status](https://travis-ci.org/AuthorizeNet/sample-code-ruby.svg?branch=master)](https://travis-ci.org/AuthorizeNet/sample-code-ruby)
+[![Travis CI       ][travis_badge]][travis]
+[![Coverage        ][coverage_badge]][coverage]
 
 This repository contains working code samples which demonstrate Ruby integration with the [Authorize.Net Ruby SDK](https://www.github.com/AuthorizeNet/sdk-ruby).
 
@@ -30,3 +31,8 @@ e.g.
 ```
     $ ruby PaymentTransactions/charge-credit-card.rb
 ```
+
+[travis_badge]: https://travis-ci.org/AuthorizeNet/sample-code-ruby.svg?branch=master
+[travis]: https://travis-ci.org/AuthorizeNet/sample-code-ruby
+[coverage_badge]: https://scrutinizer-ci.com/g/AuthorizeNet/sample-code-ruby/badges/coverage.png?b=master
+[coverage]: https://scrutinizer-ci.com/g/AuthorizeNet/sample-code-ruby/?branch=master

Diff for: spec/spec_helper.rb

@@ -1,5 +1,9 @@
-#require 'coveralls'
-#Coveralls.wear!
+require 'simplecov'
+SimpleCov.start
+
+require 'scrutinizer/ocular'
+Scrutinizer::Ocular.watch!
+
 require "authorizenet"
 require "yaml"