bugfix: frame advance feature should advance every frame, instead of every vertical interrupt (every field).Use XDG directory convention for file locations on Unix.Moved all of the SDL event-related stuff into a new source file eventloop.c.Removed many dependencies to simplify porting to other platforms.Major code cleanup, refactored build system to separate source and object files.New feature: can load/save PJ64 state files.New feature: Keyboard shortcuts for Core commands are now user-configurable.core and plugins all use the same conventions for where to put data/config files.

Mupen64 Plus is in beta mode and now available for download.