Merge branch 'without46' of https://github.com/antonfirsov/ImageSharp into without46 Conflicts: src/ImageSharp/Formats/Jpg/JpegEncoderCore.cs src/ImageSharp/Formats/Png/Filters/AverageFilter.cs src/ImageSharp/Formats/Png/Filters/NoneFilter.cs src/ImageSharp/Formats/Png/Filters/PaethFilter.cs src/ImageSharp/Formats/Png/Filters/SubFilter.cs src/ImageSharp/Formats/Png/Filters/UpFilter.cs src/ImageSharp/Formats/Png/PngDecoderCore.cs src/ImageSharp/Formats/Png/PngEncoderCore.cs