renewed GpuMat
Added DeviceInfo
Added Stream and CudaMem
gpu module started working
Added GPU Filter methods
Fixed CvRect.Right/Bottom bugs
Updated nuget specs
Merge branch 'CPlusPlius-Improvement-gpu' of https://github.com/shimat/opencvsharp into CPlusPlius-Improvement-gpu
Fixed Mat[range] memory leak
Fixed Mat.SubMat memory leak
Merge branch 'master' of https://github.com/shimat/opencvsharp
Added basic stitching methods
Added basic Stitcher functions
Merge remote-tracking branch 'remotes/origin/master' into CPlusPlus-Improvement-stitching

Conflicts:
	src/OpenCvSharp.CPlusPlus/modules/core/Mat/Mat.cs
upgraded to 2.4.9
Merge branch 'CPlusPlus-Improvement-stitching'
minor updates
Merge branch 'master' of https://github.com/shimat/opencvsharp