Added CalcHist overload
Merge branch 'CPlusPlius-Improvement-gpu' of https://github.com/shimat/opencvsharp into CPlusPlius-Improvement-gpu
Added DebuggerVisualizers for each VS version
Remove redundant x86/x64 build configurations
Added method chaining support for core
Added imgproc methods to Mat (incomplete)
Added Mat methods from imgproc (incomplete)
Added Mat methods of imgproc
Updated samples' NuGet package
Merge branch 'master' of https://github.com/shimat/opencvsharp