pkg/kamailio/deb: unifying debian packaging
pkg/kamailio/deb: wrap-and-sort control files
pkg/kamailio/deb: update debian copyright file

(cherry picked from commit e1904a040001c82d691fbb42f6149c692143c109)
pkg/kamailio/deb: clean lintian errors

(cherry picked from commit 34720cbbf6f448a727a34164b690dabf393684ec)