Adding the ip of the glance host to the cinder config

Bootable volumes were only working if cinder and glance were on the same host
https://bugzilla.redhat.com/show_bug.cgi?id=888241

Change-Id: Ib51aa9b227f38be63c4bed107eb2ef1bcda7d95b
Merge "Adding the ip of the glance host to the cinder config" into folsom