MAMEoX 0.74.1b released

Release notes:

+ Incorporated .74 MAME core
+ Some fixes for vector games
+ Analog input for pedals is fixed
+ Now uses a graphical progress bar
+ Fixed some problems with vector games
+ Now warns you if the XBOX clock isn't
set (this screws up neogeo games)
+ Fixed screensaver bug (disabling the
screensaver caused a infinite
'input-eating' loop
+ Fixed problem with 2 bpp paletted PNG
files (monochrome screenshots)
+ Many game-specific fixes (thanks to
Xboxed and users of the rom status
reporting system)

See the changelog for more details.