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

Conflicts:
	modules/cudaimgproc/test/test_color.cpp
	modules/dynamicuda/include/opencv2/dynamicuda/dynamicuda.hpp
	modules/gpu/perf/perf_imgproc.cpp
	modules/gpu/src/imgproc.cpp
	modules/gpu/test/test_core.cpp
	modules/gpu/test/test_imgproc.cpp
	modules/java/generator/src/cpp/VideoCapture.cpp
	samples/gpu/performance/CMakeLists.txt
	samples/tapi/CMakeLists.txt

samples/cpp/CMakeLists.txt

@@ -102,6 +102,6 @@ endif()
 if(INSTALL_C_EXAMPLES AND NOT WIN32)
   file(GLOB C_SAMPLES *.c *.cpp *.jpg *.png *.data makefile.* build_all.sh *.dsp *.cmd )
   install(FILES ${C_SAMPLES}
-          DESTINATION share/OpenCV/samples/cpp
+          DESTINATION ${OPENCV_SAMPLES_SRC_INSTALL_PATH}/cpp
           PERMISSIONS OWNER_READ GROUP_READ WORLD_READ COMPONENT samples)
 endif()