testing hough transform
 On branch hough
	new file:   finder/color.hpp
	new file:   finder/finder.cpp
	new file:   finder/finder.h
	modified:   finder/finder.pro
	modified:   finder/main.cpp
 On branch hough
	modified:   finder/main.cpp
for merging to master
 On branch hough
	deleted:    finder/finder.cpp
	deleted:    finder/finder.h