libd1394 2.x support for mingw on windows added
libd1394 2.x support for mingw on windows added
Merge branch 'mingw-libdc1394-2-windows' of https://github.com/dominikrose/opencv into mingw-libdc1394-2-windows
Merge branch 'mingw-libdc1394-2-windows' of https://github.com/dominikrose/opencv into mingw-libdc1394-2-windows
Merge branch 'mingw-libdc1394-2-windows' of https://github.com/dominikrose/opencv into mingw-libdc1394-2-windows
Merge branch 'mingw-libdc1394-2-windows' of https://github.com/dominikrose/opencv into mingw-libdc1394-2-windows
Merge branch 'mingw-libdc1394-2-windows' of https://github.com/dominikrose/opencv into mingw-libdc1394-2-windows
libdc1394 - removed validation for msvc compiler in CMakeLists.txt
Bug #2967, basic_structures.rst, fix 2 typos
Bug #2967, void DescriptorMatcher::radiusMatch() // description unclear,
only file:  common_interfaces_of_descriptor_matchers.rst
Bug #2966, insert CV_Assert(size.width>0 && size.height>0); in imshow()
(tab to space) 2x
(typo)
use GoodFeaturesToTrackDetector_OCL
Don't resolve symlinks when looking for modules.

We don't really need it, it makes the code longer, and it can lead to
inconsistent paths when OpenCV is itself inside a symlink.
Add support for adding custom OpenCV modules.
Fix a bug of cornerHarris and cornerMinEigenVal.
The bug is a buffer overrun when border type is reflect101.
It is found that gfft crashed with input of size 100x100 on Intel CPU.
Fix a missing header path when building with Qt 4.

Also, removing explicit include path configuration,
since QT_USE_FILE takes care of that.
Fix pixel value rendering for non-fixed-size QT windows
Fix image saving from QT toolbar