removed contrib, legacy and softcsscade modules; removed latentsvm and datamatrix detector from objdetect. removed haartraining and sft apps.

some of the stuff will be moved to opencv_contrib module.
in order to make this PR pass buildbot, please, comment off opencv_legacy, opencv_contrib and opencv_softcascade test runs.

include/opencv/cv.h

@@ -65,8 +65,6 @@
 #include "opencv2/photo/photo_c.h"
 #include "opencv2/video/tracking_c.h"
 #include "opencv2/objdetect/objdetect_c.h"
-#include "opencv2/legacy.hpp"
-#include "opencv2/legacy/compat.hpp"
 
 #if !defined(CV_IMPL)
 #define CV_IMPL extern "C"

include/opencv2/opencv.hpp

@@ -51,7 +51,6 @@
 #include "opencv2/objdetect.hpp"
 #include "opencv2/calib3d.hpp"
 #include "opencv2/highgui.hpp"
-#include "opencv2/contrib.hpp"
 #include "opencv2/ml.hpp"
 
 #endif