Merge branch 'release/0.2.6' into develop
Fix typo in ffmerge help.
CLI: Use Output module.
Add: Disallow bare repositories.
Add: Explicitly convert repo name to string to fix base64 name bug.

See https://github.com/JEG2/highline/issues/69.
Foreach: Fix broken continue confirmation question.
Bump version to 0.2.7
Merge branch 'release/0.2.7'