107: remove ImageFloat
109:move code
110: remove span allocator
111: Graphics2D CreateFromImage

.net style
112: move code
114: move code
115: fix render
116: refactor
117: move down to .NET 2.0
118
119: ScanlinePacked8, ScanlineUnpacked8
120: ScanlineRasterizer
121: IImageBuffer
Merge branch 'v_core1.2' into v_mini01