Mega Speedy software changelog

V0.95 (2014-11-26)
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- retitle "Mega Speedy Config" menu to "Mega Speedy Menu"

flash.com:
- add "Backup drive ROM" option
- add "List directory" option

V0.94 (2014-11-23)
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mega speedy drive firmware:
- initialize extended features introduced with 2014-11-23 CPLD logic
  on reset: centronics interface, RPM selection, FDC write gate
- bump speedy version number from 1.5 (original super speedy ROM
  version) to 1.6
- fix rom checksum errors in mega speedy and super speedy ROMs
- include PC ROM checksum tool (romcsum.c/romcsum.exe)

V0.93 (2014-11-18)
==================
flasher.rom:
- include MyPicoDos in flasher ROM, add loading from config menu

config menu:
- display ROM version in mega speedy config menu
- delay for 5 seconds instead of 3 after between switching of
  drive mode and automatic reboot
- boot config menu and MyPicoDos using highspeed SIO

flash.com:
- abort programming if the ROM file is larger than the slot

