[Scaler][SSE2] Use assembler for x2.25 scaler.
[Draw][SDL] XM7_SDLView widget:Remove unneeded bliting surfaces.
[Draw]Non-OpenCL: Fix analog palette.
[Draw][SDLView] Add: XM7_SDLViewSetDirty(),etc.
[Draw][Scaler][SDLFB][SSE2] Rewrite algorythm of x2.25.