gluster : Fix for Sorting the rebalance hosts status according to host name

Sorting was done prior to updating/mapping host uuid to hostname.

Now,this has been coorected now.

Change-Id: Ic733c47dc1c331375471f648fc5e1b6314ef560f
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1020872
Signed-off-by: Anmol Babu <anbabu@redhat.com>