Removed console spam.
Documentation fixes.
Unused code removal.
Added setResolution test.
Fixed setResolution() (Bug #550).
Added test image.
Merge pull request #551 from libavg/bugfix/550_scaledown

Fix #550
Added Node.KILLED message.
Gesture recognizers now hold strong ref to node, listen to KILLED message.
Documentation update.
Documentation update.
Merge pull request #552 from libavg/bugfix/371_recognizerdelete

Bugfix/371 recognizerdelete
Win build fix.
Root node recognizer delete test.
Fix for root node DragRecognizer delete.
Added test for TransformRecognizer on root node.
Fix for root node TransformRecognizer delete.
Merge pull request #553 from libavg/bugfix/371_recognizerdelete

Fix #371. Also fixes similar issue with TransformNodes
Improved FW camera error message.
CameraNode: Don't do anything in preRender() if play() hasn't been called.