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
    * restructure to make it easier to incorporate further changes
    * add cleanup override

debian/copyright: add file matching Debian format

Change-Id: I6af8ab7f5c75b4d161cebf492f3de5d9dbd00220
Related: OS#1694
3 files changed