Fix missing and misspelled parameters

Missing parameters:
  * vncserver_listen (openstack::all)
  * setup_test_volume (openstack::all)
Misspelled parameters:
  * quantum_db_name (openstack::all)
  * rabbit_virtual_host (openstack::cinder::all,controller)

Change-Id: Id0116981bf4693b324bb2ef4255175f05c024824
Merge "Fix missing and misspelled parameters"