Fixed a bug in the render code.
Merge branch 'master' of https://github.com/henry4k/terraria-clone

Conflicts:
	src/main/java/terrariaclone/graphics/ShaderProgram.java
	src/main/java/terrariaclone/graphics/VertexBuffer.java
	test.frag
Fixed several vertex/vbo specific bugs.
Fixed vertex buffer corruption.