tm: Fix docs on t_relay_to (Typo)
(as noticed by Victor V. Kustov)
pkg/kamailio/deb: unifying debian packaging
pkg/kamailio/deb: wrap-and-sort control files
pkg/kamailio/deb: update debian changelog
pkg/kamailio/deb: clean lintian errors
pkg/kamailio/deb: update lintian for backports