api: adding top-level resource types to Permission representation
api: adding top-level resource types to Permission representation

Exactly one resource instance should be referenced by each Permissions
instance, this being the target object that the permission applies to.

https://fedorahosted.org/rhevm-api/ticket/112

colloquium/rhevm-api,markmc/rhevm-api,markmc/rhevm-api,colloquium/rhevm-api,markmc/rhevm-api