Updated openstack/openstack
Project: openstack/requirements  ab78b6645b3a63f9f5b0c89ebb84135a331aea38

block sqlalchemy migrate 0.9.2 as it breaks all of nova

Conflicts:
	global-requirements.txt

Closes-Bug: #1368391
Change-Id: Idbe75bc768d91dd1a807d9cf90d82afa0909594e
(cherry picked from commit 70b10edb67ae72bf1f2436ee5abe6ae208ea4d2a)