Add SimpleCov and Cane gems
Add Simplecov and initializer to spec_helper
Ignore test coverage directory
Add cane rake task
Group files in simplecov coverage report
Move tasks out of src directory
Run quality threshold after test suite
Adjust cane settings
Show build status image for master only
Disable cane quality threshold
Add Coveralls gem
Add coveralls badge
Merge pull request #12 from rafaelgonzalez/build-with-simplecov-and-cane

Add simplecov, cane and coveralls