webadmin : reordered fields in rebalance status pop up

reordered fields in rebalance status pop up as in gluster cli.

Change-Id: Ied708dd60ee7a7434cf55ad4b5f27d5579f2c318
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1023884
Signed-off-by: Anmol Babu <anbabu@redhat.com>