updates for whitelisting by http_referer for apis

git-svn-id: http://svn.montala.net/svn/resourcespace@4817 c08608d7-6e46-0410-86ca-f2a6f1370df5
change whitelisting langs in api_core to suggest that you can list domains as well as IPs

git-svn-id: http://svn.montala.net/svn/resourcespace@4818 c08608d7-6e46-0410-86ca-f2a6f1370df5
BUG fix or missing HTTP_REFERER

git-svn-id: http://svn.montala.net/svn/resourcespace@4819 c08608d7-6e46-0410-86ca-f2a6f1370df5