This creates the following commands:
- apps
- apps:create <app>
- apps:destroy <app>
It also:
- makes `delete` an alias for `apps:destroy`
- adds confirmation to `apps:destroy`
- allows a developer to remove apps that have been created via apps:create but have not been deployed
Refs #87
Refs #543
Refs #586Closes#599
Refs #655
Refs #656
Refs #685Closes#757