Signed-off-by: Maxim Kostin <v-maxkos@microsoft.com>

Signed-off-by: Maxim Kostin <v-maxkos@microsoft.com>

fixed mjpeg encoder so that libjpeg-based decoder does not complain on extra bytes in the end of stream

std::streams removed

debug code removed

whitespaces removed

stdint.h added and trailing whitespaces removed

trailing whitespaces removed

warnings on windows fix

warnings on windows fix pt 2

Refactoring performed: AviMjpegStream class introduced. CAP_PROP_FRAME_WIDTH and CAP_PROP_FRAME_HEIGHT properties support added.

Windows warnings & uninitialized variable fix

Windows warning fix

Win32 warning fix

added video writer quality, which user may change dynamically in the case of motion jpeg; enabled NEON intrinsics in the encoder

Implement VideoCapture::get, CvCapture::getProperty, IVideoCapture::getProperty as constant methods.

Remove implementation of CvCapture interface for Intel PerC camera. Add IVideoCapture interface and implementation of this one for Intel PerC camera

Previously, VideoCapture::retrieve would return a Mat that referenced
the internal IplImage. Since the latter is rewritten every time a
frame is captured, it means that if the user captures two frames in a row,
the first frame would reference nothing. Similar if a user captures a frame,
then destroys the VideoCapture instance.

Note that the other branch of the if isn't affected, since flip allocates
a new Mat.

Conflicts:
	modules/core/include/opencv2/core/cuda.hpp
	modules/cudacodec/src/thread.cpp
	modules/cudacodec/src/thread.hpp
	modules/superres/perf/perf_superres.cpp
	modules/superres/src/btv_l1_cuda.cpp
	modules/superres/src/optical_flow.cpp
	modules/videostab/src/global_motion.cpp
	modules/videostab/src/inpainting.cpp
	samples/cpp/stitching_detailed.cpp
	samples/cpp/videostab.cpp
	samples/gpu/stereo_multi.cpp

VideoCapture didn't call release method and just ignored the new capture sources.
OpenCV documentation:
  bool VideoCapture::open(const string& filename);
  bool VideoCapture::open(int device);

The methods first call VideoCapture::release() to close the already opened file or camera.

VideoCapture didn't call release method and just ignored the new capture sources.
OpenCV documentation:
  bool VideoCapture::open(const string& filename);
  bool VideoCapture::open(int device);

The methods first call VideoCapture::release() to close the already opened file or camera.

Bug in Video for Windows capture init fixed;
Media Foundation based capture finalization fixed;
Highgui tests for video i/o updated.

Set and Get methods are not implemented;
Camera based video capture is broken due to modifications.

Code formating fixed;
GrabFrame method implemented correclty.

All tests passed!

TIFF build was fixed;
Direct Show back-end was enabled;
More accurate guards implemented.

GPU module turned off;
TIFF support turned off;
Windows Managment and Video IO (VFW) turned off.

Made all STL usages explicit to be able automatically find all usages of
particular class or function.

* Decouple Video4Linux2 support from Video4Linux as existence of
  v4l2 on a system does not imply support for v4l.
* Don't use V4L's struct video_window in V4L2 code.
* Removed __USE_GNU as comment says:
      /* support for MJPEG is only available with libjpeg and gcc,
         because it's use libjepg and fmemopen()
  so replace with test for fmemopen() if found necessary.