Converted AT NVR to be a device, so it gets auto-closed.
Added new machine_close() function which calls optional machine-custom close, updated machine table.
Small fixes here and there.
Re-wored the CDROM code to have a 'speeds' table instead of ugly hard-coding.
Changes to the memory manager reduced by 120MB for machines with CPU < 80386.
Changes to the 86F diskette data processor (required by all floppy controllers) reduced by 330M.
Test machine OpenXT now runs at 240MB, instead of 680MB.
Cleaned up and re-integrated the Toshiba T1000/T1200 machines.
Moved LZF files to floppy/, as that is the only module using them.
Various bugfixes and cleanups here and there.
Moved the SIO files to a new sio/ folder.
Added the 'version.h'stuff, added Makefile rule to generate the Manifest file for Windows.
Re-worked the About dialog - it now includes more info.
Several cleanups and fixes here and there.
Updated (Windows) UI to properly handle resets and changes in Settings.
Updated to no longer scan for roms at startup.