Added Control Panel for Challenges.
Added ultrasafe boats.
More compatible with plugins that use /island
Fixed null error when clicking on challenges that have no associated
commands.
Fixed issue with MAP as a challenge item - MAP's change durability to
mark their ID. Made the check  and removal independent of durability.
Refactored SafeBoats so that when typing /island players will not be
placed safely on a nearby island.
Improved chunk refresh on island delete/reset. Should completely clear
the area.
Added no-burn permission options to mod and admin ranks.
Fixed bug: challenges were taking too many items from inventory
Code clean up.
Made crafting and use of enderchests available only via permissions to
prevent cheating.
Changed error for when /island warp is not safe.
Changed top ten creation to occur 1 tick after calculating level.
Allow ops to recalculate island level.
Allow island level and sea level to be different.
Warping now puts the player facing the sign if it is safe to do so.
Fixed locale defaults.
Removed hard coding for sea-level = 0 from chunk generator.
Fixed bug with KittyCannon which has a null entity for the onExplosion
event.
Island reset and delete now remove player from top ten and reset island
level.
Added setting to reset challanges too.
Added /acid info command that finds info on an island that the player is
near.
Fixed /acid info command so it works with file system as well as cache.
Removed unnecessary imports.