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/compat: update compatibility version

debian/*.install: fix paths

debian/copyright: add file matching Debian format

Change-Id: I50b54d7d89f7c7ed3e5a10fbf734d967090f30c7
Related: OS#1694
6 files changed