GL_APPLE_vertex_array_object
http://www.opengl.org/registry/specs/APPLE/vertex_array_object.txt
	GL_VERTEX_ARRAY_BINDING_APPLE 0x85B5
	void glBindVertexArrayAPPLE (GLuint array)
	void glDeleteVertexArraysAPPLE (GLsizei n, const GLuint* arrays)
	void glGenVertexArraysAPPLE (GLsizei n, const GLuint* arrays)
	GLboolean glIsVertexArrayAPPLE (GLuint array)
