Initial new SceneGraph structure

- Has support for SceneGraph loading using lua and ghoul dictionary
- SceneGraphNode can be initialized using ghoul::Dictionary
- Todo: PositionInformation classes
- Todo: TemplateFactory singleton

src/rendering/renderable.cpp

@@ -8,10 +8,6 @@ Renderable::Renderable() {
 
 }
 
-Renderable::Renderable(const pss &boundingSphere) {
-	boundingSphere_ = boundingSphere;
-}
-
 Renderable::~Renderable() {
 
 }