Use bash instead of sh which uses dash - which has issues with 'local' descriptors for variable names
Add initial bugfix branch flow
Add customer branch workflow
Add hyphen to customer branch name
Add ability to remove a customer branch, for when a customer upgrades to a new release
Rename close -> finish for consistency
Fix syntax error in release-start command
Remove 'tag' command as it wasn't implemented properly
Add bash completion script for git-mf