pkg/deb/debian: Upgrade debian packaging.

(cherry picked from commit ea4cba8410d635199b79f18830c57111e1f46d0a)

Conflicts:
	pkg/deb/debian/compat
	pkg/deb/debian/control
	pkg/deb/debian/rules
	pkg/deb/debian/sems.default
	pkg/deb/debian/sems.init
pkg/deb: Add jessie, wheezy and precise distributions