Adapted sip_subscribe_presence script to new XML API

darcs-hash:20090211174335-1e3d8-bad51bd2e933fd54b8d281083289b1c8223a35fd
Removed old pidf and presdm XML applications modules

darcs-hash:20090211174936-1e3d8-8f397b4437cd6d9a04f596f69b270b97dbe8af4f