Fixed a bunch of sticky names in infested tree gen.
IaSBlockDirectional now uses Minecraft's rotation metadata.

(WARNING: THIS BREAKS SAVES!)
Ported over infested trees.
Exousium now regenerates.
Added silk berries and silk berry pods.
Added base item classes for the tools.
Did work on some of the magic stuff.
Reimplemented Nyx's death system.
Readded the teleport sound into Nyx.
Did work on IaS tool system.
Did more work for IaSTools.
Even more IaSTool work. Geez.
Yet more work on the tool system.

Creative tab set up, Echir tools (except throwing knives) implemented.
No localized names.
Extremely buggy!
Added a custom damage system for player use.

Nyxian mobs will be able to use it too. Other mobs, unfortunately, will
not.
Consolidated IaS's tools into one IaSTools class.
Part of the previous commit that git-cola LIED ABOUT.
Added Echir tools' unlocalized names.
Fixed some issues with IaSTools.

Known issue: All tools can mine all the same stuff.
Fixed the tools being able to harvest EVERYTHING.
Refixed tools not taking damage.