webadmin : Sort the host column in the Clusters Services tab

Sort the host column in the Clusters Services tab,
when 'Show All' is used

Change-Id: I32e6dfdd922d9e6939b6c69fc1119f737ae69886
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1044847
Signed-off-by: Anmol Babu <anbabu@redhat.com>