lhh (releng) requesting rhel65 bumped to rhel66

* take any rhel65 rhos 4/5 job and prior to the rhos-release execution
update the /etc/redhat-release to rhel-6.6

Change-Id: I771f7f8427147641c55a7547491c74b609abebc1
Removes password from config file to be imported

Change-Id: Ib2a9426c1c5d6477e6c812b41106f9e942df90d5
add a packstack playbook that excludes tempest

Change-Id: If30a8d686fa9230fcdd53ec67d265f58d01f9b29
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
no yum update for f21 image

Change-Id: Ief95a980db00dedaae5e3f03ab51afa6b2a0f245