Add ability to create branches for RefStack
Add ability to create branches for RefStack

This patchset add ACL for branch creation in RefStack project
for refstack-release group.

Change-Id: I52f26371c850f3106dcd429b48e653d91d5cd287

Tesora/tesora-project-config,openstack-infra/project-config,dongwenjuan/project-config,dongwenjuan/project-config,Tesora/tesora-project-config,openstack-infra/project-config