added and using compare_hosts for make_url and make_local_url; rewrite will now only occur when the hosts are totally different (instead of differing protocol ids).

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/branches/2.7-fixes@5456 7882d7ee-46e0-0310-a255-a28a61b628e4