rhos: added task to change version of poodle, puddle, and foreman repo on the fly

- added handling for foreman-poodle repo

Change-Id: Ida17ac9379d4d45b9412b241e126e101d5b7826a
Add workaround for missing filters in nova scheduler_default_filters

Puppet in packstack removes ServerGroupAntiAffinityFilter and
ServerGroupAffinityFilter from list scheduler_default_filters
in nova.conf. Workaroud for RHBZ#1150728

Change-Id: I5c107bbc264b3829e978be0c8b6554d2830188c7
rhel/rhos: releting rhel.repo to fix broken vagrant base box in staypuft

Change-Id: I086bbcb6222a3a94bf600385e2c6e56978208de3
Update README.md
Update rdopkg playbook

Change-Id: I3962f201166d59c2e9df6b14da7fb4a94a6c019f
HACK to use tags set by rdopkg

Change-Id: I9768730f0e3edc257691e6e9baaa665c20a7e124
Add pause before running tempest

Change-Id: If7e7269db94407b2e9bc46c6efe1ad73865c52ee
run migration for some services when juno

Change-Id: Ib0e3ae56acfd74a481e2cbf04af62a1f907e4f73