aaa: Rename "domain" in ui

1. Rename "domain" to "profile" at login screen.
2. Rename "domain" to "authorization provider" at the
   "User general" sub tab.

Change-Id: Iea9ac1a2d983e244c77e34d7e076aa110e3f6d29
Topic: AAA
Signed-off-by: Yair Zaslavsky <yzaslavs@redhat.com>