7915: MyPlatformWindowBridgeGdiPlus ,OpenGL
7916: separate fields to proper child class
7919: remove MyGLControl from OpenTk

and add it to LayoutFarm.Platforms.Windows,
It is an app specific control.
Merge branch 'PlatformWindowBridge' into v_miniAgg
7920: move MyGLControl to LayoutFarm.UI.WinForms Namespace
7921: GpuOpenGLSurfaceView, CpuGdiPlusSurfaceView.cs
7922: add bridge to GpuOpenGLSurfaceView

developing...
7927: CanvasViewport
7928: make it similar to previous GdiPlus PaintToOutputWindow()
7929: make it similar to previous…2 and rename files
Merge branch 'rearr_platforms_WinForms' into v_miniAgg
7932: MyCanvasGL , MiniAgg845.1
7935: fixed black-white blinking, still error with coords
7939: CanvasOrientation,errs
7940: rename files
7942: fix SetCanvasOrigin , arrange code in MyCanvasGL
7944: fixed MyCanvasGL2d.SetClipRectRel()

ClipRect is ok
7945: text support
7946:MiniAggFont support
7948: fixed Gdi transparent bg font, MiniAgg875