Change groups to support height, length and width instead of area.

Change the groups permissions to support height, length and width
instead of area because this stops players from creating huge areas
with little height ect.
Update to bukkit 1.6.4-R1.0

Update to the latest reccommended build of bukkit, 1.6.4-R1.0.
Update group to support height, length and width

Update the group class to support the change to height, length and width
instead of area.
Make FlagSet convertable to worldguard flag map.
Make plugin load POSTWORLD

Make plugin load POSTWORLD instead of on STARTUP to support console colors.