Merge pull request #176 from giucam/startframe

[compositor] Notify the compositor when a frame is started
Bump version
[lipstick] Use QPointer for LipstickCompositorWindow to avoid referencing dangling pointers
Bump version
Port lipstick to the lastest QtWayland API
Implement the sailfish_shell protocol
Add a protocol to be used by Alien
Make sailfish_shell and alien_manager share a common base