keystone-manage needs to be refactored

[Joe Savak]

__init__.py for keystone manage needs to be refactored as it's not easily updated in it's existing if-else-elif format. The nova-manage class-def format is more easily read & written upon. (https://github.com/openstack/nova/blob/master/bin/nova-manage)

[Dolph Mathews (dolph)]

Addressing in blueprint: keystone-manage2

[Dolph Mathews (dolph)]

https://blueprints.launchpad.net/keystone/+spec/keystone-manage2

[Dolph Mathews (dolph)]

keystone-manage has been written from scratch as part of bp keystone-manage2

It is now module/class based rather than a long series of elif statements.