refactor view/scene to separate modules

src/lib.rs

@@ -1,11 +1,15 @@
 #![feature(conservative_impl_trait)]
 
+#[macro_use] extern crate gfx;
 #[macro_use] extern crate log;
 
 pub mod arena;
 pub mod ega;
+pub mod scene;
+pub mod scenes;
 pub mod tile;
 pub mod town;
+pub mod view;
 pub mod vr;
 pub mod world;