staypuft: download base images for bz1110378

* update: use the workaround role, tag, and setting

Change-Id: I4e1d1925c5a70d82740c3ecfbd72238c0a194b27
fixes wait_for usage: hostvar[inventory_hostname]

wait_for host can take inventory_hostname. The current usage
wait_for host={{hostvars[inventory_hostname].ansible_ssh_host}}
fails when trying to wait for hosts in group.

Change-Id: I913c72ed2c66571940736cf963f94d647a70c5b1
fix: missing ansible_ssh_port to 22

Change-Id: I84cc5bcb2537c8c3eac4cd81b98d180f6a4675f7
revert: inventory_hostname to hostvars[inventory_hostname]

Change-Id: I3a5954c7279199038cb7f9e24d0f858ead06a49b
Merge remote-tracking branch 'gerrit/master' into dev/reorg

Change-Id: I294f15bb5c3a964893529f0def612f1e3e61b0a7