Merge pull request #140 from hzgraham/master

commenting lines of the juicer.conf
create cart directory when running juicer

closes #126
Add delete-rpms subcommand for #141. Still needs testing and docs.
Docs for delete-rpms #141
Allow update to add a new repo. #142
Merge branch 'delete-rpms'
Juicer publish. #144
juicer-admin list-users for #136
Fix show-user usage. Closes #138
Remove deprecation notice. #121
Deleting with a regex seems to work better.
Merge branch 'delete-rpms'
Making a 0.5.1 bugfix release
Update versions
Juicer publish. #144
juicer-admin list-users for #136
Remove deprecation notice. #121
Merge branch 'deprecation-notice'
Merge branch 'list-users'

Conflicts:
	docs/man/man1/juicer-admin.1
Merge branch 'publish'

Conflicts:
	docs/man/man1/juicer.1