Fixes #27

	modified:   pandora_vision_hole_detector/cfg/depth_cfg.cfg
	modified:   pandora_vision_hole_detector/cfg/hole_fusion_cfg.cfg
	modified:   pandora_vision_hole_detector/cfg/rgb_cfg.cfg
	modified:   pandora_vision_hole_detector/src/depth_node/depth_node.cpp
	modified:   pandora_vision_hole_detector/src/hole_fusion_node/hole_fusion.cpp
	modified:   pandora_vision_hole_detector/src/synchronizer_node/rgb_depth_synchronizer_node.cpp
	modified:   pandora_vision_hole_detector/src/utils/blob_detection.cpp
	modified:   pandora_vision_hole_detector/src/utils/bounding_box_detection.cpp