fixes #2424 - add Encryptable module and encryption_key generation
fixes #2424 - encrypts compute resource password
fixes #2869 - refactor method find_nested_obj into API::BaseController
Fixes #2832: remove deprecated fog API and rackspace endpoint
Fixes #2833: remove direct endpoints from Rackspace compute resource
Fixes #2721 - Allow use of spice for libvirt via checkbox per-CR
Fixes #1711 - Add a per-CR checkbox for console passwords