Add WindowPixmapItem opaque property

And make the item non-opaque by default.
Add a close client method to compositor

Ideally we'd like to request that just the window close and let the
client figure it out, but currently there is no way to do that.
Add WindowPixmapItem radius property
Bump version
Merge pull request #41 from lpotter/master

remove unused dependency on sensors
Update changes file
Merge pull request #42 from aaronkennedy/master

Allow translucent WindowPixmapItems
Connection selector rework
Set notification category on notification windows
Merge pull request #43 from aaronkennedy/master

Tag notification windows
[lipstick] Rename the internal Notification class to LipstickNotification
[lipstick] Add notification category definitions for network related notifications
Bump version
Set the compositor geometry before the component completes
[lipstick] Allow windows to define touch regions

This limits the area of the window to which touch and mouse
events will be delivered.
[lipstick] Allow empty window mouse regions

Previously an empty region would revert to covering the entire window
[lipstick] Re-enable battery notifier and connection selector on Qt5
Bump version
[lipstick] Only create the connection selector window after the compositor has been initialized
Bump version