support for k4w and 1473 kinect with motor and led control. uploads audio firmware from ofxKinectExtras.h - also updates OF with latest libfreenect
updates to support K4W with motor/led and keep_alive
small changes
Merge branch 'master' of https://github.com/openframeworks/openFrameworks into feature-kinect1473-support
Merge branch 'feature-kinect1473-support' of github.com:openframeworks/openFrameworks into feature-kinect1473-support
small changes for win32 compatibility
Merge pull request #2778 from openframeworks/feature-kinect1473-support

Feature: Support for k4w and 1473 kinect with motor / accel / led control.