remove paritions of a disks before start working on osds.
rectified __$version__
fix for disk cleanup
1. used GUID of disk instead of names
2. remove disk-zapping from add-osd.sh as disk is cleaned-up by disk-cleanup.sh
Merge pull request #19 from Juniper/storage-bugfix

Storage bugfix

dgautam added some commits 3 hours ago
	dgautam 	remove paritions of a disks before start working on osds. 	d2e6946
	dgautam 	rectified __$version__ 	a6e0345
	dgautam 	fix for disk cleanup …

1. used GUID of disk instead of names
2. remove disk-zapping from add-osd.sh as disk is cleaned-up by disk-cleanup.sh