Updated lots of things

src/gamedata/GameData.h

@@ -5,6 +5,7 @@
 namespace ECS
 {
 extern flecs::entity player;
+void setup_minimal();
 void setup(Ogre::SceneManager *scnMgr, Ogre::Bullet::DynamicsWorld *world,
 	   Ogre::SceneNode *cameraNode, Ogre::Camera *camera,
 	   Ogre::RenderWindow *window);