Packaging cleanup for unity 8: - install arch-deps binary libraries in a private lib directory - cleanup debian/control, rules, and install - complete debian/copyright - ship missing license files - install the python (autopilot) part using a setup.py - consolidate mocks - drop qml-phone-shell transitional packages and references.
Approved by PS Jenkins bot, Ricardo Salveti, Didier Roche, Michał Sawicz.