Updated openstack/openstack
Project: openstack/nova  251361178b019f2cc6a07e529823c8bc6b270ec6

Port SecurityGroupRules controller into v2.1

This patch port SecurityGroupRules controller into v2.1 security_groups extension.

This patch just move the v2 code into v2.1 and share the unittest. The other
v2.1 related fix and improvement will be addressed by subsequent patchset.

Partially implements blueprint v2-on-v3-api

Change-Id: I23c6d7c70ec27068066e2a2e3c7764982bf8ed1d