<broker basic-auth> Rearrange auth/access in broker basic-auth for Apache 2.2/2.4

Previous config didn't work as expected - was too restrictive on
Fedora because of improper grouping of Require conditions. Modified to
use <RequireAny> for Apache HTTPD 2.4 (fedora) and to consolidate
auth/access conditions for HTTPD 2.2 (RHEL) and 2.4.

Fire tests show that this works and is consistent between HTTPD versions