OSC3 part 3
fix legacy songs not showing background at end, but still allow new
songs to not have it
Intel 82845G: use bSmoothLines
Fix "halfdouble".  (Heavily-used feature: nobody noticed this bug
for over a year.  :)
update
Fix path.
Fix: Autogen issues with Ez2.
fix GTK window not being centered
fix thread handles on win9x
Fixed iterator bug.
fix diagnostics
log SDL_GetAppState
fix SDL_VIDEODRIVER not being set for SDL loading windows
cleanup
Fix: Don't make force start crash other players.
s/ReloadCommonSounds/ThemeChanged/
warnings
fix ScreenManager stuff not being reloaded on theme change and F2
fix comment
Cleanup -- it doesn't really matter.