Fixed Rect bugs; added Rectf
Merge remote-tracking branch 'remotes/origin/master' into CPlusPlus-Improvement-stitching
Fixed dll.config
Added cv::detail::FeaturesFinder
Added Mat.Clone(Rect)
Fixed IplImage.Clone(CvRect) bug
Fixed Labeller bugs (GC protect)
Added GC.KeepAlive (incompleted)
Added KeepAlive
Merge remote-tracking branch 'remotes/origin/master' into CPlusPlus-Improvement-stitching
Added CLAHE
Removed redundant sample data
Deletes redundant sample data
update samples' NuGet