Merge pull request #2082 from asmorkalov:dynamicuda_internal_fix
added new perf tests to core
Merge pull request #2077 from ilya-lavrenov:tapi_context
Merge pull request #2080 from asmorkalov:ocv_dynamic_cuda_deviceinfo_fix
Merge pull request #2083 from jet47:gpu_android_tests
disabled cv::split perf test
Merge pull request #2055 from vbystricky:ocl_sepFilter2D
Merge pull request #2075 from ilya-lavrenov:tapi_mixchannels
Merge pull request #2081 from ilya-lavrenov:tapi_perf
added the first T-API example - CamShift tracking
implemented OpenCL version of cv::convertScaleAbs
added OpenCL version of cv::scaleAdd
converted CPU-based example to T-API (Mat 2 UMat, etc)
eliminate MINGW pragma warning
fix
Merge pull request #2092 from alalek:fix_mingw_warn
Merge commit 'f22d9a23' into merge-2.4 (-s ours)
Merge commit '83cdd43a' into merge-2.4

Conflicts:
	modules/core/include/opencv2/core/version.hpp
Merge commit 'edce617a5' into merge-2.4 (-s ours)
Merge commit '1acc1085d' into merge-2.4