Added /ai as alternative command to /island or /is
Fixed sea_level settings so it works.
Fixed acid damage settings so that 0 works.
Fixed acid potion damage setting so if blank it works.
Fixed makeleader bug.
Changed some test strings in locale.yml to read better.
Added Control Panel GUI
Added beaconator challenge.
Fixed bug with clicking on a blank slot.
Fixed sponge bug where placing sponge at y=0 or y=255 caused wrap-around
problems.
Added sponge a reward to Builder Challenge.
Fixed IslandGuard so that slimes and squids can be killed on any island.
Fixed bug with making offline players a leader and kicking offline
players.
Added IslandGuard items: Enderman block drop on death, TNT and Creeper
explosion protection.
Removed Challenges GUI.