Fire postrender events
Merge pull request #117 from twpayne/postrender-event

Fire postrender events
Refactor mouse position control to use postrender event
Update mouse position on each frame
Merge pull request #118 from twpayne/mouse-position-control-refactoring

Mouse position control refactoring
Update Bing maps key
Merge pull request #91 from elemoine/bingkey

Bing maps key will expire on 15 Jan 2013
Add new pinch and rotate events