ZMQ search only looks for zmq.h since .hpp is included.
Some small SensorViewer fixes.
Adds KitKat driver based on Steve Goldberg's camera driver.
Fix rendering. Kitkat is default Android URI for SensorViewer.
Dead code removal in KitKat
Small cleanups in KitKat
Fix color camera viewing.
Fixes SensorViewer and Camera drivers on Android KitKat.