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.
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.
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.