webadmin: Adding Volume ID to volume general tab

Volume ID field is added to volume's general subtab,
it will display the UUID of the selected volume.

Change-Id: If571171963d36669b436d24fced633b34afaaf81
Bug-Url: https://bugzilla.redhat.com/887806
Signed-off-by: Kanagaraj M <kmayilsa@redhat.com>