Updated Source for Image Samples

Updated on 11/10 to fix the ZIP archives and add dependent projects.

In addition to updating the image samples to the final version of Silverlight V2, I've also updated the source:

• PNG Encoder Sample Source
• GIF Decoder Sample Source and GIF Decoder Source (From Jill Zhang and her GifLib CodePlex project).
• BMP Decoder Sample Source and BMP Decoder Source

For each of these samples, you'll need the following project:

• EditableImage Source