OpenCV 4 compatibility

Src/Model/AreaDescriptor/AreaInfoElement.cpp

Src/Model/AreaDescriptor/AreaInfoElement.h

Src/Model/ImageStream.cpp

Src/Model/MediaPlayer.cpp

Src/Model/TextureObject.cpp

Src/View/AreaDesciptor/AreaDescriptor.h

Src/View/AreaDesciptor/RectDescriptor.h

Src/View/CameraDevice.cpp

Src/util/VideoCoder.cpp