Updated openstack/openstack
Project: openstack-dev/devstack  f7cfa0c6e7a965949441ded6a789e12e5bc58039
null
put the stackforge library installation behind a conditional

we don't actually want to drag in stackforge libraries all the
time, instead ensure that we have enabled stackforge_libs before
doing it.

Change-Id: Ic1c2e3d19e106a2aa0db9725d16a8b207546c23d