substr in C++ needs initial position to be in range
simplify json request syntax so that ?req=... in url implies json format
Change status type from int to nite::SkeletonState in all getSkeletonState(int) methods
Quit OpenNI2DeviceServer if sensor cannot be found or cannot be initialized
Remove bool argument from updateInterface() (obsolete concept from OpenNIv1.x)
Remove getSkeletonState() method
Clean up unused commented code
Add parameter for minimum confidence
Add information for the verbose parameter
Comments cleanup
Add ONI playback and record functionality
Fix oni recorder to avoid getting corrupted
Check if SENSOR_DEPTH is NULL
Add --loop argument and functionality in playback
Clean debug line
Fix tracking during playback when sensor is connected