Adds and concludes tests on methods of class PlanesDetection

	modified:   pandora_vision_hole_detector/CMakeLists.txt
	modified:   pandora_vision_hole_detector/cfg/hole_fusion_cfg.cfg
	modified:   pandora_vision_hole_detector/include/hole_fusion_node/depth_filters.h
	modified:   pandora_vision_hole_detector/include/hole_fusion_node/planes_detection.h
	modified:   pandora_vision_hole_detector/include/utils/defines.h
	modified:   pandora_vision_hole_detector/include/utils/parameters.h
	modified:   pandora_vision_hole_detector/src/hole_fusion_node/depth_filters.cpp
	modified:   pandora_vision_hole_detector/src/hole_fusion_node/hole_fusion.cpp
	modified:   pandora_vision_hole_detector/src/hole_fusion_node/planes_detection.cpp
	modified:   pandora_vision_hole_detector/src/utils/parameters.cpp
	modified:   pandora_vision_hole_detector/test/CMakeLists.txt
	modified:   pandora_vision_hole_detector/test/unit/hole_fusion_node/hole_merger_test.cpp

	new file:   pandora_vision_hole_detector/test/unit/hole_fusion_node/planes_detection_test.cpp