Code review and improvements.
Modify LAN configuration.
Enhance console lan config step. Add DNS server and gateway.
Code review.
Improve logging and console message code.
Display DNS servers on 'System/General setup' page when using DHCP.
Rename freenas-create-dirs.sh to freenas-create-rootfs.sh.
Modify WebGUI code and readme.txt.
Add power management note.
