Adjust conditional for RPM updates in rdopkg

The bad previous logic was causing the RPM install step to be skipped even when there were packages present to be updated.

Change-Id: I38dc91d8856cf94083af42f1b8e25c489b72b4ce
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.
support tempest RPM updates

Change-Id: I070d922268684f4a72864d156d226b9e51b4990b
sync rdopkg.yml playbook with packstack.yml

Change-Id: I082e329a6d84972b965778c3cc6cfa02f802ccb0