Fixed setting GUID on cephjournals for ubuntu

The issue was that pmanager created ceph-journal partitions (one for
every ceph-osd) but guid was set for only one ceph-journal partition.

Change-Id: I50e3edc6f22310ec2ba541d677bffe1896c28fe7
Closes-Bug: #1355342
Merge "Fixed setting GUID on cephjournals for ubuntu"