packstack: adapt to COMPUTE_HOSTS var rename

Change-Id: I3948624371f03ff8f85315c5fbb36e9f055a2487
update staypuft roles and playbooks

Change-Id: If393b4929dee995f12734c488302af4496d36e83
(cherry picked from commit b4a879b3d24f63f190c3a25a0996fc0cbc71112c)
Adds changes for post-icehouse instack version

Steps to create the virtual-power-key and copy the
virt answers file are no longer needed.
Older versions of the roles are copied to an
icehouse directory.

Change-Id: I5782d27b0ed5f20bf79570945445342e21176fa3
(cherry picked from commit 1da7669fe46749d33ff88c49233f8208ba9c977d)
Removes instack-common.yml playbook to restore order

The previous commit used an include that changed the order
of the playbooks.

Change-Id: Ifc03e4922f2f5e5ab3f510854e74e4b28f96743e
(cherry picked from commit 55d6e40ce0189f80fc238caeeb4a9234570d26db)
Increases polling time for image downloads

Polling has timed out in the past.

Change-Id: I603ecbcb154f92d5e2bf535a80de24373a7021c5
(cherry picked from commit d9c4e65c604c9c0073865c27cc1cef0aacdafec1)
Add config-drive param to nova_compute module. Will push this upstream

Change-Id: I38df26f8ef24335bebd0ff460d57c480c4d6e87f
(cherry picked from commit af13582517ec2ef123fee06234b486522a1268e3)
No longer set selinux to permissive

Change-Id: Ia0127b67fefb9a2d59a093e4e073bc650ca26c4a
(cherry picked from commit 00440731edeb76e4ae70b1cf96a4cfa2b04143cd)
Increases timeout for instack vm to be started

This is a temporary fix. Adding wait_for polling
later.

Change-Id: I4d6b5cd03dc6204955fd2ea81b982b0589a28196
(cherry picked from commit 05d21649d9285744bb2e0a5babf4475f8b083810)
get_nodes/openstack: add config_drive set to true by default

(cherry picked from commit 539b1bf6a19e9c6f6d7377d44362243afd2416e1)

Conflicts:
	roles/get_nodes/openstack/tasks/main.yml

Change-Id: I76df80394cc91cb814f547a7df4c7524f2854647
Moves older version of fedora-prep script to icehouse directory

Post icehouse, selinux is no longer set to permissive.

Change-Id: I50a83cad929275353fcd6ed1eb418d9a4e137079
(cherry picked from commit a48f6bad46776f15205198b7e9c45dbd0c49a41d)