Make love::Type handle type names

TODO: Fix undefined behaviour in luax_register_type, you can't use a va_list after a reference type

--HG--
branch : dynamiccore2

src/modules/graphics/opengl/Text.cpp

@@ -30,7 +30,7 @@ namespace graphics
 namespace opengl
 {
 
-love::Type Text::type(&Drawable::type);
+love::Type Text::type("Text", &Drawable::type);
 
 Text::Text(Font *font, const std::vector<Font::ColoredString> &text)
 	: font(font)