extract runner and git worker classes
extract track/share methods
introduce rugged for internal api
port git start to rugged
port remaining functions out of cli into git class
bump version
add guardfile
add code climate badge
add coveralls code coverage
extract individual commands
extract update command
extract cleanup command
extract track command
extract share command
extract start command
extract buildtag command
extract integrate command
extract release command
extract release command
add nuke command