Upload all my tests

- Add Count<> to AssetManager
- Initialize pCode in Shader
- Rename linearAllocator to LinearAllocator
- Add Construct and destroy to linear allocator
- Add Shader unloader (fixes atexit crash i guess)
-

include/amethyst.hpp

@@ -5,6 +5,7 @@
 #include <amethyst/c3d.hpp>
 #include <amethyst/ctru.hpp>
 #include <amethyst/image.hpp>
+#include <amethyst/iron.hpp>
 #include <amethyst/renderer.hpp>
 #include <amethyst/texture.hpp>