Optimizes filter2D for Intel GPUs
added cn>1 support to cv::norm (NORM_INF)
Merge pull request #2660 from arkunze:pullreq/140423-filter2D
Merge pull request #2687 from ilya-lavrenov:tapi_norm_inf_234cn
WinRT core compatibility fixes

Update system.cpp

Update system.cpp

Update ocl.cpp

Update matching.cpp

Update ocl.cpp

Update matching.cpp