Add retry_on_deadlock to all REST actions
Add retry_on_deadlock to all REST actions

This change adds retry_on_deadlock to all REST actions. Get is
excluded as it should never encounter a deadlock.

oslo_db_api.wrap_db_retry adds very little overhead to these
database actions.

Change-Id: Ia8960e181bfa7fff42e74af9916bf446b9891f4d

openstack/senlin,stackforge/senlin,openstack/senlin,stackforge/senlin,openstack/senlin