Fixed bug in release_start where the new commit wasn't created
Change default on hotfix_finish so that it does not update the builder environment branches
NEW COMMAND tag_cleanup
Will delete all tags locally and by default on origin as well, which do not fulfill one of the following conditions
- begins with 'service'
- begins with 'live/i<iteration_num>', where iteration_num is greater than or equal to the live_iteration - 3