Updated openstack/openstack
Project: openstack/requirements  3743c37c3df76ef0b225fd20c88736b4dd859a91

Add glance.store to global requirements

Glance store is a new library responsible of managing the interaction
between glance and the stores backing it. This is required for:
Iaacc70993ad5da292b93de42bbecda73d53b19fd

Change-Id: Ic87bd483a30a79d41b186cd353964aea029894d0