packstack workarounds:

broke out the workarounds, names are more relevant to the tag names for packstack

Change-Id: I5ec5fb2b96413799209ae51b28235a17d3c18f71
Fix tempest setup

The tempest setup script has a bad set of tests for the module path.
This changes to work with both rpm names.

Change-Id: I27cfa7db88a303ec3be0d2b8dd97c190c3cafc95
Set libvirt_type to qemu on kvm compute node

When a compute node is a kvm guest, set the libvirt_type to qemu. This
will only run if node_compute_fix is set to yes.

Change-Id: I2d8347640c55efe7d78ba9f71b7d8413f95b448e