Merge remote-tracking branch 'upstream/2.4' into merge-2.4

* #1538 from StevenPuttemans:bugfix_3283
* #1545 from alalek:ocl_test_fix_rng
* #1551 from alalek:cmake_install_win
* #1570 from ilya-lavrenov:ipp_warn_fix
* #1573 from alalek:perf_simple_strategy
* #1574 from alalek:svm_workaround
* #1576 from alalek:ocl_fix_cl_double
* #1577 from ilya-lavrenov:ocl_setto_opencl12
* #1578 from asmorkalov:android_fd_cp_fix
* #1579 from ilya-lavrenov:ocl_norm
* #1582 from sperrholz:ocl-arithm-additions
* #1586 from ilya-lavrenov:ocl_setto_win_fix
* #1589 from ilya-lavrenov:pr1582_fix
* #1591 from alalek:ocl_remove_cl_hpp_h
* #1592 from alalek:ocl_program_cache_update
* #1593 from ilya-lavrenov:ocl_war_on_double
* #1594 from ilya-lavrenov:ocl_perf
* #1595 from alalek:cl_code_cleanup
* #1596 from alalek:test_fix_run_py
* #1597 from alalek:ocl_fix_cleanup
* #1598 from alalek:ocl_fix_build_mac
* #1599 from ilya-lavrenov:ocl_mac_kernel_warnings
* #1601 from ilya-lavrenov:ocl_fix_tvl1_and_sparse
* #1602 from alalek:ocl_test_dump_info
* #1603 from ilya-lavrenov:ocl_disable_svm_noblas
* #1605 from alalek:ocl_fixes
* #1606 from ilya-lavrenov:ocl_imgproc
* #1607 from ilya-lavrenov:ocl_fft_cleanup
* #1608 from alalek:fix_warn_upd_haar
* #1609 from ilya-lavrenov:ocl_some_optimization
* #1610 from alalek:ocl_fix_perf_kalman
* #1612 from alalek:ocl_fix_string_info
* #1614 from ilya-lavrenov:ocl_svm_misprint
* #1616 from ilya-lavrenov:ocl_cvtColor
* #1617 from ilya-lavrenov:ocl_info
* #1622 from a0byte:2.4
* #1625 from ilya-lavrenov:to_string

Conflicts:
	cmake/OpenCVConfig.cmake
	cmake/OpenCVDetectPython.cmake
	cmake/OpenCVGenConfig.cmake
	modules/core/CMakeLists.txt
	modules/nonfree/src/surf.ocl.cpp
	modules/ocl/include/opencv2/ocl/ocl.hpp
	modules/ocl/include/opencv2/ocl/private/util.hpp
	modules/ocl/perf/main.cpp
	modules/ocl/src/arithm.cpp
	modules/ocl/src/cl_operations.cpp
	modules/ocl/src/cl_programcache.cpp
	modules/ocl/src/color.cpp
	modules/ocl/src/fft.cpp
	modules/ocl/src/filtering.cpp
	modules/ocl/src/gemm.cpp
	modules/ocl/src/haar.cpp
	modules/ocl/src/imgproc.cpp
	modules/ocl/src/matrix_operations.cpp
	modules/ocl/src/pyrlk.cpp
	modules/ocl/src/split_merge.cpp
	modules/ocl/src/svm.cpp
	modules/ocl/test/main.cpp
	modules/ocl/test/test_fft.cpp
	modules/ocl/test/test_moments.cpp
	modules/ocl/test/test_objdetect.cpp
	modules/ocl/test/test_optflow.cpp
	modules/ocl/test/utility.hpp
	modules/python/CMakeLists.txt
	modules/ts/include/opencv2/ts.hpp
	modules/ts/src/ts_perf.cpp
	samples/android/face-detection/jni/DetectionBasedTracker_jni.cpp

samples/cpp/CMakeLists.txt

@@ -41,11 +41,11 @@ if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND)
     if("${srcs}" MATCHES "tutorial_code")
       set(sample_kind tutorial)
       set(sample_KIND TUTORIAL)
-      set(sample_folder "samples//tutorials")
+      set(sample_subfolder "tutorials")
     else()
       set(sample_kind example)
       set(sample_KIND EXAMPLE)
-      set(sample_folder "samples//cpp")
+      set(sample_subfolder "cpp")
     endif()
 
     set(the_target "${sample_kind}_${name}")
@@ -61,7 +61,7 @@ if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND)
       PROJECT_LABEL "(${sample_KIND}) ${name}")
 
     if(ENABLE_SOLUTION_FOLDERS)
-      set_target_properties(${the_target} PROPERTIES FOLDER "${sample_folder}")
+      set_target_properties(${the_target} PROPERTIES FOLDER "samples/${sample_subfolder}")
     endif()
 
     if(WIN32)
@@ -69,7 +69,7 @@ if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND)
         set_target_properties(${the_target} PROPERTIES LINK_FLAGS "/NODEFAULTLIB:atlthunk.lib /NODEFAULTLIB:atlsd.lib /DEBUG")
       endif()
       install(TARGETS ${the_target}
-              RUNTIME DESTINATION "${sample_folder}" COMPONENT main)
+              RUNTIME DESTINATION "${OPENCV_SAMPLES_BIN_INSTALL_PATH}/${sample_subfolder}" COMPONENT main)
     endif()
   ENDMACRO()
 

samples/cpp/OpenEXRimages_HDR_Retina_toneMapping_video.cpp

@@ -18,6 +18,10 @@
 #include "opencv2/imgproc.hpp" // cvCvtcolor function
 #include "opencv2/highgui.hpp" // display
 
+#ifndef _CRT_SECURE_NO_WARNINGS
+# define _CRT_SECURE_NO_WARNINGS
+#endif
+
 static void help(std::string errorMessage)
 {
     std::cout<<"Program init error : "<<errorMessage<<std::endl;

samples/cpp/hybridtrackingsample.cpp

@@ -18,6 +18,10 @@
 #include "opencv2/highgui/highgui.hpp"
 #include "opencv2/contrib/hybridtracker.hpp"
 
+#ifndef _CRT_SECURE_NO_WARNINGS
+# define _CRT_SECURE_NO_WARNINGS
+#endif
+
 using namespace cv;
 using namespace std;
 

samples/cpp/tutorial_code/calib3d/camera_calibration/camera_calibration.cpp

@@ -9,6 +9,10 @@
 #include <opencv2/calib3d.hpp>
 #include <opencv2/highgui.hpp>
 
+#ifndef _CRT_SECURE_NO_WARNINGS
+# define _CRT_SECURE_NO_WARNINGS
+#endif
+
 using namespace cv;
 using namespace std;