Integrate Debian packaging changes

debian/control:
    * restructure to make it easier to incorporate further changes
    * update package descriptions
    * update project URL

debian/rules:
    * use proper hardening syntax
    * remove useless comment

debian/copyright: update to match Debian format

Change-Id: Ia7f0a3a583ad63f5c6e5cf5e5de2ff7dd9eed8a9
Related: OS#1694
3 files changed