Enable flavor retrieval by name
Enable flavor retrieval by name

This patch adds a method for flavor to be retrieved by name. The default
Resource.get() method is not suitable for this case, while referencing
flavors by name is much easier/portable than referencing them by IDs.

Change-Id: I0e88bbb3a3a832b866169e648f3ca07dd42e2a27

Alzon/senlin,openstack/senlin,Alzon/senlin,tengqm/senlin-container,stackforge/senlin,stackforge/senlin,openstack/senlin,tengqm/senlin-container,openstack/senlin