Fix grenade upgrade script dependency
Fix grenade upgrade script dependency

This includes lib/apache from devstack as the devstack heat plugin now
requires it.

Change-Id: Ie48e417f2b36ce79c3485e559b6141a1499b6eb1
Closes-Bug: #1511369

cwolferh/heat-scratch,jasondunsmore/heat,dragorosson/heat,openstack/heat,gonzolino/heat,dims/heat,gonzolino/heat,noironetworks/heat,jasondunsmore/heat,openstack/heat,dragorosson/heat,steveb/heat,noironetworks/heat,dims/heat,steveb/heat,cwolferh/heat-scratch