Added StereoBM
Added Rodrigues and SolvePnP
Added FindHomography and RQDecomp3x3
Added Rodrigues overloads
Added decomposeProjectionMatrix wrapper
Added ComposeRT
Added ProjectPoints
Added Ptr
Merge branch 'CPlusPlus-Improvement-calib3d' of https://github.com/shimat/opencvsharp into CPlusPlus-Improvement-calib3d
Added PtrOfFeature2D
Merge branch 'CPlusPlus-Improvement-calib3d' of https://github.com/shimat/opencvsharp into CPlusPlus-Improvement-calib3d

Conflicts:
	src/OpenCvSharp.CPlusPlus/OpenCvSharp.CPlusPlus.csproj
Added XML comments for Mat methods
Added InitCameraMatrix2D and FindChessboardCorners
Added FindCirclesGrid and DrawChessboardCorners
Added CalibrateCamera
Added CalibrateCamera and CalibrationMatrixValues
Mat indexer renewal
Minor update
Supported  Mat<T> object initializers (not completed)
Added Mat constructor for n-dimensional mat