Adding openstack local setiings change
updated config-storage-add-osd.sh to
1. check return values
2. check if the disk is in LVM, if yes then fail
3. added zapping support of a disk if not aleady added
added calculation for replica size based on number of storage hosts with disk
Fixing the issue with local_setinngs
Bug fix for https://bugs.launchpad.net/juniperopenstack/+bug/1344477
Merge pull request #3 from Juniper/chandan_development9

Bug fix for https://bugs.launchpad.net/juniperopenstack/+bug/1344477
added rabbit_host to cinder.conf
Merge branch 'master' into storage-module