update sources to latest version

modified file list
	new file:   .gitignore
	modified:   CAR_TRACKING/CAR_TRACKING.makefile
	modified:   CAR_TRACKING/Laser_func.h
	modified:   CAR_TRACKING/Laser_info.h
	modified:   CAR_TRACKING/MODEL_info.h
	modified:   CAR_TRACKING/car_det_func.h
	modified:   CAR_TRACKING/detect.cpp
	modified:   CAR_TRACKING/detect_func.h
	modified:   CAR_TRACKING/dt.cpp
	modified:   CAR_TRACKING/fconvsMT.cpp
	modified:   CAR_TRACKING/featurepyramid.cpp
	modified:   CAR_TRACKING/get_boxes.cpp
	modified:   CAR_TRACKING/get_boxes_func.h
	modified:   CAR_TRACKING/laser_func.cpp
	modified:   CAR_TRACKING/load_model.cpp
	modified:   CAR_TRACKING/main.cpp
	modified:   CAR_TRACKING/nms.cpp
	modified:   CAR_TRACKING/resize.cc
	modified:   CAR_TRACKING/showboxes.cpp
	new file:   CAR_TRACKING/switch_float.h
	modified:   CAR_TRACKING/tracking.cpp
	deleted:    README.md
	deleted:    core