Merge Core remote [skip ci]

# Conflicts:
#	src/ImageProcessorCore/Formats/Jpg/JpegDecoderCore.cs


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README.md

@@ -5,7 +5,7 @@
 
 **ImageProcessorCore** is a new cross-platform 2D graphics API designed to allow the processing of images without the use of `System.Drawing`. 
 
-> **ImageProcessorCore is still in early stages (alpha) but progress has been pretty quick. As such, please do not use on production environments until the library reaches release candidate status.**
+> **ImageProcessorCore is still in early stages (alpha) but progress has been pretty quick. As such, please do not use on production environments until the library reaches release candidate status. Pre-release downloads are available from the [MyGet package repository](https://www.myget.org/gallery/imageprocessor).**
 
 > For the older `ImageFactory` based API that uses `System.Drawing` please check out the [Framework](https://github.com/JimBobSquarePants/ImageProcessor/tree/Framework) branch.
 
@@ -180,7 +180,7 @@ using (FileStream output = File.OpenWrite("bar.jpg"))
 Individual processors can be initialised and apply processing against images. This allows nesting which brings the potential for powerful combinations of processing methods:
 
 ```csharp
-new Brightness(50).Apply(sourceImage, targetImage, sourceImage.Bounds);
+new BrightnessProcessor(50).Apply(sourceImage, sourceImage.Bounds);
 ```
 
 Setting individual pixel values is perfomed as follows:

src/ImageProcessorCore/Formats/Jpg/JpegDecoderCore.cs.REMOVED.git-id

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