turn yum update on for fedora-21

Change-Id: Ibcd672ebb9c4f55a22bb0d34e13920b1629a7ed6
Update bug number of default FIP pool nova

Original refered bug number was not related to this workaround. The
issue is not resolved yet.

Change-Id: I8fd388c73a9e7abc285cd3b0cc74817cbc786fae
removing bridge creation from packstack

Change-Id: I75546a4bcff25fae9670ba194b7a65266c638395
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
support tempest RPM updates

Change-Id: I070d922268684f4a72864d156d226b9e51b4990b
Revert "run migration for some services when juno"

This reverts commit 1b717777f4e3f37f7646ca63c3efaa6b0c517d70.