More warning cleanup - converted certain class functions to return bool instead of int where appropriate. Also fixed the sdl update() tickCount assignment that I just broke in my last checkin.

projects/mtg/include/ActionLayer.h

@@ -46,10 +46,14 @@ public:
     TargetChooser * getCurrentTargetChooser();
     void setCurrentWaitingAction(ActionElement * ae);
     MTGAbility * getAbility(int type);
+    
     //Removes from game but does not move the element to garbage. The caller must take care of deleting the element.
     int removeFromGame(ActionElement * e);
-    int moveToGarbage(ActionElement * e);
-    int cleanGarbage();
+    
+    bool moveToGarbage(ActionElement * e);
+    
+    void cleanGarbage();
+
 protected:
     ActionElement * currentWaitingAction;
     int cantCancel;