Changes

Summary

1. improve readme and scripts (details)
2. some fixes to the script to work (details)

Commit 8a3872260f06d5b45beaaa2593185bb729d7f42a by rushfan improve readme and scripts
	doors/qemu-freedos/readme.txt (diff)
	doors/qemu-freedos/fdos/FDAUTO.BAT (diff)
Commit 8fc80f2ece5d7b38defc4301d9b68e074ad2dd45 by rushfan some fixes to the script to work
	doors/qemu-freedos/fdos/FDAUTO.BAT (diff)
	doors/qemu-freedos/gw.sh (diff)
	doors/qemu-freedos/wwivqemu.sh (diff)