OSC3 part 3
backport song BG hack
Fix "halfdouble".
Intel 82845G: use bSmoothLines
update
Fix path.
fix GTK window not being centered
fix thread handles on win9x
fix diagnostics
log SDL_GetAppState
fix SDL_VIDEODRIVER not being set for SDL loading windows
fix ScreenManager stuff not being reloaded on theme change and F2
Fix character model rendering artifacts when a freeze segment lies on beat 0
debug
remove
no LoadingWindow_SDL, InputHandler_SDL
fix grade calc using percentage scoring weights
fix refresh rates in d3d
fix pixels being freed when not owned
port network code from trunk