Remove combined delete/disassociate due to potential security impact
Fix a bug in floating IP add_to_instance method
Port in @ohnoimdead's group work.
WIP: Adds composite manager.
WIP: Adds combined membership manager. Can add/remove users and groups to projects.
Break out combine_membership internals into separate managers, then reference those in the CombinedMembershipManager
Remove unused classes.
Moves some stuff around.
Tenants are projects in v3. Rename _manager attributes to exclude _manager, since that's not done anywhere else.
Annotate. Undo changes from bad base.
Add project_assignables.
Working combined memberships.
Correct casing on assignable_type.