Der File-Browser wurde beschleunigt und die Kompatibilität mit dem Breitband-Adapter verbessert.
@emukidid committed: * Make less calls when reading banner data, standardise it with a struct * Fix banner description display when carriage return is present * Fix read/size issue when banner is at the end of the file @Extrems committed: * Make use of EXILock callback for transmit. * Make use of __OSMaskInterrupts/__OSUnmaskInterrupts. * Change IGR to call OSResetSystem in idle thread. * Fix another cause of missed interrupts. * Don't trap reset button if not using IGR. * Find __OSUnhandledException and put it in our table. * Reuse __OSInitSystemCall to install a jump table. * Smooth things out with the Broadband Adapter.