SUSE-RU-2015:0462-1

This update for crowbar-barclamp-nova_dashboard provides stability fixes from the upstream OpenStack project:

* Use a host specific memcache key for django_compressor (bnc#894070)
* Add Requires on crowbar-barclamp-openstack for the new
  crowbar-openstack cookbook.
* Use helpers from new crowbar-openstack cookbook
* Fix apache with HA not running until second chef-client run
* Configure horizon before configuring the vhost for horizon in apache
* Avoid races with HA on 'python manage.py syncdb'
* Add dependency on crowbar-barclamp-openstack as Requires(post) and
  Requires to make sure the package is installed before the %post
  scriplet is executed (bnc#900887).