adding occupancy compensation display properties
integrating multi-layer-depth structure
debug output
first version running
mld+sld
major update, optimization, SL-ML switch
integration into rviz + code clean-up
fine tuning & cleanup
Merge branch 'groovy-devel' of github.com:ros-visualization/rviz into occlusion_comp_depthcloud
more fine tuning
Merge branch 'occlusion_comp_depthcloud' into groovy-devel

Conflicts:
	src/rviz/default_plugin/depth_cloud_display.cpp
	src/rviz/default_plugin/depth_cloud_display.h
	src/rviz/default_plugin/depth_cloud_mld.cpp
	src/rviz/default_plugin/depth_cloud_mld.h