Removed files that shouldn't being tracked.
Implemented ExtendableByteBuffer.

... and stuff I don't remember.
Merge branch 'master' of ../terraria-clone

Conflicts:
	.gitignore
	src/main/java/terrariaclone/graphics/IndexBuffer.java
	src/main/java/terrariaclone/graphics/VertexBuffer.java
	src/main/java/terrariaclone/graphics/Window.java
	terrariaclone.iml