* Add machines prune command
* Fix scope variable for naming scheme
* Add some freshness and add new features
* Fix force and fix duration if less than 60
* Allow duration to be more readable
* Fix description
* Improve func wording and make int machines length
* No point overloading functions
* Add prune to list of commands
* Check if GID is already the group if so no need to chown
* Revert "Check if GID is already the group if so no need to chown"
This reverts commit c7cef1773e.
* change all short desc to be similar, and made it really really clear when pruning it is not recoverable
* Better examples
* Match bouncer like for like
* Fix merge error
* Dont use log. and dont return error on user input to abort
* add the last_heartbeat field
* add heartbeat controller
* add endpoint of heartbeat
* heartbeat integration
* add last_heartbeat to cscli machines list
