change RL-Controller initialization process and action space iterable

- no fake builder pattern anymore, moved needed fields into constructor
- add serializeUID
- action space extends iterable interface to simplify looping over all actions (and not returning the actual list)

src/main/java/example/JumpingDino.java

@@ -10,14 +10,16 @@ public class JumpingDino {
     public static void main(String[] args) {
         RNG.setSeed(55);
 
-        RLController<DinoAction> rl = new RLController<DinoAction>()
-                .setEnvironment(new DinoWorld())
-                .setAllowedActions(DinoAction.values())
-                .setMethod(Method.MC_ONPOLICY_EGREEDY)
-                .setDiscountFactor(1f)
-                .setEpsilon(0.15f)
-                .setDelay(200)
-                .setEpisodes(100000);
+        RLController<DinoAction> rl = new RLController<>(
+                new DinoWorld(),
+                Method.MC_ONPOLICY_EGREEDY,
+                DinoAction.values());
+
+        rl.setDelay(200);
+        rl.setDiscountFactor(1f);
+        rl.setEpsilon(0.15f);
+        rl.setEpisodes(5000);
+
         rl.start();
     }
 }