Changes the name of most commands to better match the Heroku CLI which customers are used to. Most old commands are preserved as aliases for backward compatibility, but a few have been removed like `gigalixir distillery` which complicated the code and was not used much.
0.22.0
* Fix observer for apps without vm.args set up * New command: version * Better migrate output including showing errors
0.13.0
* add log drain commands for user with timber.io and papertrail
0.12.0
* sign up without credit card * upgrade command * account command
0.11.0
* new migration flag for umbrella apps
0.9.3
* fix observer with multiple nodes * fix observer on os x