Fixed list of Accept content types for sip_subscribe_rls

darcs-hash:20081128153205-1e3d8-a4adee9c43b3004c22a65fbbf72be88a51477997
Changed name of file transfer dir to file_transfers

darcs-hash:20081128153939-1e3d8-2e1d2ef1ac3b3a22b57b17fbaf9708cbabd733a2