Doxygen documentation for: highgui, video, imgcodecs and videoio
Doxygen documentation: calib3d and features2d modules
Doxygen doucmentation: ml module
Doxygen documentation: flann, photo and stitching modules
Doxygen documentation: cuda
Doxygen documentation: shape, superres, videostab
Doxygen documentation: viz
Doxygen documentation: cuda submodules reorganized
Doxygen documentation: mathbbm support
Doxygen documentation: more fixes and cleanups
Doxygen documentation: BiB references and fixes
Merge pull request #3453 from mshabunin:doxygen-others