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

modules/ocl/test/test_optflow.cpp

@@ -52,6 +52,7 @@ using namespace cv;
 using namespace cv::ocl;
 using namespace cvtest;
 using namespace testing;
+using namespace std;
 
 //////////////////////////////////////////////////////
 // GoodFeaturesToTrack
@@ -69,7 +70,7 @@ PARAM_TEST_CASE(GoodFeaturesToTrack, MinDistance)
     }
 };
 
-TEST_P(GoodFeaturesToTrack, Accuracy)
+OCL_TEST_P(GoodFeaturesToTrack, Accuracy)
 {
     cv::Mat frame = readImage("gpu/opticalflow/rubberwhale1.png", cv::IMREAD_GRAYSCALE);
     ASSERT_FALSE(frame.empty());
@@ -110,7 +111,7 @@ TEST_P(GoodFeaturesToTrack, Accuracy)
     ASSERT_LE(bad_ratio, 0.01);
 }
 
-TEST_P(GoodFeaturesToTrack, EmptyCorners)
+OCL_TEST_P(GoodFeaturesToTrack, EmptyCorners)
 {
     int maxCorners = 1000;
     double qualityLevel = 0.01;
@@ -140,7 +141,7 @@ PARAM_TEST_CASE(TVL1, bool)
 
 };
 
-TEST_P(TVL1, DISABLED_Accuracy) // TODO implementations of TV1 in video module are different in 2.4 and master branches
+OCL_TEST_P(TVL1, DISABLED_Accuracy) // TODO implementations of TV1 in video module are different in 2.4 and master branches
 {
     cv::Mat frame0 = readImage("gpu/opticalflow/rubberwhale1.png", cv::IMREAD_GRAYSCALE);
     ASSERT_FALSE(frame0.empty());
@@ -149,9 +150,8 @@ TEST_P(TVL1, DISABLED_Accuracy) // TODO implementations of TV1 in video module a
     ASSERT_FALSE(frame1.empty());
 
     cv::ocl::OpticalFlowDual_TVL1_OCL d_alg;
-    cv::RNG &rng = TS::ptr()->get_rng();
-    cv::Mat flowx = randomMat(rng, frame0.size(), CV_32FC1, 0, 0, useRoi);
-    cv::Mat flowy = randomMat(rng, frame0.size(), CV_32FC1, 0, 0, useRoi);
+    cv::Mat flowx = randomMat(frame0.size(), CV_32FC1, 0, 0, useRoi);
+    cv::Mat flowy = randomMat(frame0.size(), CV_32FC1, 0, 0, useRoi);
     cv::ocl::oclMat d_flowx(flowx), d_flowy(flowy);
     d_alg(oclMat(frame0), oclMat(frame1), d_flowx, d_flowy);
 
@@ -182,7 +182,7 @@ PARAM_TEST_CASE(Sparse, bool, bool)
     }
 };
 
-TEST_P(Sparse, Mat)
+OCL_TEST_P(Sparse, Mat)
 {
     cv::Mat frame0 = readImage("gpu/opticalflow/rubberwhale1.png", useGray ? cv::IMREAD_GRAYSCALE : cv::IMREAD_COLOR);
     ASSERT_FALSE(frame0.empty());
@@ -292,7 +292,7 @@ PARAM_TEST_CASE(Farneback, PyrScale, PolyN, FarnebackOptFlowFlags, UseInitFlow)
     }
 };
 
-TEST_P(Farneback, Accuracy)
+OCL_TEST_P(Farneback, Accuracy)
 {
     cv::Mat frame0 = readImage("gpu/opticalflow/rubberwhale1.png", cv::IMREAD_GRAYSCALE);
     ASSERT_FALSE(frame0.empty());