Use Code Climate for coverage

Since we will be using Code Climate anyway, it makes sense to use it's
code coverage mechanisms as well.

Gemfile

@@ -1,4 +1,5 @@
 source 'https://rubygems.org'
 
-# Specify your gem's dependencies in fog-vsphere.gemspec
+gem 'codeclimate-test-reporter', group: :test, require: nil
+
 gemspec

fog-vsphere.gemspec

@@ -23,7 +23,6 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'rbvmomi', '~> 1.8'
 
   spec.add_development_dependency 'bundler', '~> 1.10'
-  spec.add_development_dependency 'coveralls', '~> 0.8'
   spec.add_development_dependency 'pry', '~> 0.10'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rubocop', '~> 0.34'

gemfiles/Gemfile.1.9.2+

@@ -1,5 +1,7 @@
 source 'https://rubygems.org'
 
+gem 'codeclimate-test-reporter', group: :test, require: nil
+
 gem 'net-ssh', '~> 2.9'
 gem 'rubocop', '~> 0.34'
 

tests/helper.rb

@@ -1,14 +1,8 @@
-if ENV['COVERAGE'] == 'true'
-  require 'coveralls'
-  require 'simplecov'
-  SimpleCov.command_name "shindo:#{Process.pid.to_s}"
-  SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
-    SimpleCov::Formatter::HTMLFormatter,
-    Coveralls::SimpleCov::Formatter
-  ]
-  SimpleCov.merge_timeout 3600
-
-  Coveralls.wear!
+begin
+  require 'codeclimate-test-reporter'
+  CodeClimate::TestReporter.start
+rescue LoadError => e
+  $stderr.puts "not recording test coverage: #{e.inspect}"
 end
 
 require File.expand_path('../../lib/fog/vsphere', __FILE__)