aaa: Fixing search to search by authz

In this patch, search is fixed to search by authz.
In addition - at frontend, the drop down list for
domains shows a combination of (profile,authz) (i.e -
(profile,domain)

Bug-Url: https://bugzilla.redhat.com/1117488
Change-Id: Ic1867577a900e2c7a815d443b771e2576bd8aea2
Topic: AAA
Signed-off-by: Yair Zaslavsky <yzaslavs@redhat.com>