cap.cpp: change to VideoCapture::operator >> to write to output Mat, protected with HAVE_WINRT
cap_winrt.cpp: set FB size in HighguiBridge
cap_winrt_highgui: enabled HighguiBridge::SwapInputBuffers()
cap_winrt_video.cpp: enabled double buffering
main.cpp: performing img proc on Mat frame, RUNS but DATA NOT APPEARING