New release
Don't consider dynamic format strings to be erroneous
Remove damageEvent signal indirection for pixmap damage processing.

This is simpler, easier to extend, and makes embedding
SwitcherPixmapItem easier.
Make XEventListener self-contained

Depending on HomeApplication is painful when XEventListener is exposed
via a QML plugin to potentially non-lipstick code, so this makes reuse
easier.

It's also coincidentally a bit neater.
Merge pull request #32 from Vesuri/master

Support for playing notification related non-graphical feedbacks through ngf-qt
New release
Improve the notification manager documentation with concrete examples