-- removed the following applications from master branch and CMakeLists.txt
  - filter_test
  - integrator
  - nanoStreamIR
  - obstacleView
  - tsd_load/load_from_file
  - tsd_match_to_xtion
  - tsd_save_to_file
  - tsd_camNano
  - transformationWatchdog_test
  - openni-device-stream
-- clean up of obdevice:
 - removed OpenNIDevice and OpenNIDeviceRGB
 - Xtion obsolete because of OpenNiDevice
 - modified CMakeLists
-- new stable application for Asus Xtion Pro and Asus Xtion Pro Live (both are working), but no color.
- comment int tsd_xtion application
- added function call for depth to color registration mode for openni devices
-- added color to xtion demo application
fixed nabo wrapper (performance not optimized yet)