aaa: Reorder "namespace" and "authz" columns

Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1120720
Change-Id: Ifa8b5de8c64231f35a603f12b8f710b6f10130f2
Topic: AAA
Signed-off-by: Yair Zaslavsky <yzaslavs@redhat.com>