add coverage and badges

test/helper.rb

@@ -1,5 +1,3 @@
-
-
 require 'rubygems'
 require 'bundler'
 begin
@@ -9,6 +7,11 @@ rescue Bundler::BundlerError => e
   $stderr.puts "Run `bundle install` to install missing gems"
   exit e.status_code
 end
+if ENV['CODECLIMATE_REPO_TOKEN']
+  require "codeclimate-test-reporter"
+  CodeClimate::TestReporter.start
+end
+
 require "minitest/autorun"
 
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))