add coveralls; reports code coverage on after travis builds

Gemfile

@@ -4,7 +4,8 @@ gemspec
 
 gem 'rubysl', '~> 2.0', :platforms => :rbx
 
+gem 'coveralls', require: false
+
 group :metrics do
-  gem 'simplecov'
   gem 'flay'
 end

README.md

@@ -6,6 +6,7 @@ Ruby objects using Pub/Sub.
 [![Gem Version](https://badge.fury.io/rb/wisper.png)](http://badge.fury.io/rb/wisper)
 [![Code Climate](https://codeclimate.com/github/krisleech/wisper.png)](https://codeclimate.com/github/krisleech/wisper)
 [![Build Status](https://travis-ci.org/krisleech/wisper.png?branch=master)](https://travis-ci.org/krisleech/wisper)
+[![Coverage Status](https://coveralls.io/repos/krisleech/wisper/badge.png?branch=master)](https://coveralls.io/r/krisleech/wisper?branch=master)
 
 Wisper was extracted from a Rails codebase but is not dependant on Rails.
 

Rakefile

@@ -1,7 +1,10 @@
 require "bundler/gem_tasks"
-
 require 'rspec/core/rake_task'
+require 'coveralls/rake/task'
 
 RSpec::Core::RakeTask.new
+Coveralls::RakeTask.new
+
+task :test_with_coveralls => [:spec, 'coveralls:push']
 
 task :default => :spec

spec/spec_helper.rb

@@ -1,8 +1,5 @@
-begin
-  require 'simplecov'
-  SimpleCov.start
-rescue LoadError
-end
+require 'coveralls'
+Coveralls.wear!
 
 require 'wisper'