468: fix ImageGraphics2D

LBB : "We invert it because it is the transform to make the image go to
the same position as the polygon. LBB [2/24/2004]"
Merge branch '459_retro' into v_img

Conflicts:
	a_mini/projects/Mini/3_Samples/09_FloodFill/FloodFill.cs
	a_mini/projects/Mini/5_Samples_3/BitmapRenderSample.cs
	a_mini/projects/MiniAgg.Complements/Image/FloodFiller.cs
	a_mini/projects/MiniAgg/00_Context/Graphics2D.cs
	a_mini/projects/MiniAgg/00_Context/ImageGraphics2D.cs
	a_mini/projects/MiniAgg/00_Context/ImageGraphics2D_RenderImages.cs

a_mini/projects/MiniAgg/08_ImageResampling/FilterImageSpanGenerator.Imag
eBufferAccessor.cs
468: merge fix
468.1