Removed Alex's references to Bukkit, in comments and variable names! Thanks Alex for totally copying Bukkit's code. Cheers to you!
Removed LibraryDownloader, it'll be implemented later.
Implemented PigZapEvent
Merge remote-tracking branch 'origin/1.6.2' into 1.6.2

Conflicts:
	src/main/java/org/minetweak/entity/Player.java