Add Director, director::CommandList, hk::Goal and fixups

* Simulator and Director are no longer singletons.

hcore/include/goal.h

@@ -1,13 +1,17 @@
 #ifndef _GOAL_H
 #define _GOAL_H
 
-namespace thought {
+#include <simulator/scene.h>
 
-enum class Goal
-{
-	DRIFT,
-	ASSOCIATE_CAUSAL_QUALE_WITH_INTRINSIC_MOTIVATORS,
-	RESPOND_TO_CAUSAL_QUALE
+namespace hk {
+
+class Goal {
+public:
+    Goal(const simulator::Scene& scene) : scene(scene) {}
+    ~Goal() = default;
+
+private:
+    simulator::Scene scene;
 };
 
 }