Merge pull request #1 from janstenpickle/add_branch_endpoint

Add branch endpoint for project recent builds
Upgrade to ruby 2.0.0 in Gemfile
Add more documentation
Add CHANGELOG
Merge pull request #2 from mtchavez/0.0.1

House cleaning
Version bump
Merge branch 'master' into artifacts_endpoint

Conflicts:
	circleci.gemspec