Correct some magic values. This amends 1f83111208ab3612f384a2e6b65cc28423dc625e
Update Bukkit to 1.6.4
Display correct effect duration in seconds. Fixes BUKKIT-3983
Actually display correct effect duration in seconds. Fixes BUKKIT-3983
Use simple multiplication for squaring. Fixes BUKKIT-4836

This change adds a method to NumberConversions for squaring and
replaces uses of Math.pow(..., 2) with the new method for efficiency
reasons.
Fixes BUKKIT-4838
Pulling Bukkit into Bukkit-Javadoc
Merge #44

Thanks @Dykam

commit 46231d8e9801700701776784f98105cc4996cdcb
Author: Dykam
Date:   2013-10-09 20:30:59 +0200

Fixes BUKKIT-4838