refactor: better debug output
 run rake on travis
 resolves #188: git-ship with no shippable changes
Extra specs with uncommitted changes
 refactor: abort/continue/undo scripts
 refactor: specify all commits
 cleanup: remove cuke script, update development documentation
 fix: simplify custom commit diff
Merge branch 'master' into cr-pr

Conflicts:
	features/support/run_helpers.rb