interface assignment was broken for multiple hosts
Merge pull request #296 from sseago/fix-nic-assignment

interface assignment was broken for multiple hosts
BZ# 1139792 - Fix cinder checkbox validation

When starting a new deployment, the cinder checkbox validation was not
operating correctly. This now display a proper error message and hilites
the tab.
Merge pull request #297 from bcrochet/bz/1139792

BZ# 1139792 - Fix cinder checkbox validation
version bump