first rework of core firing and notification mechanisms

src/main/jastadd/engine/balloonMarking/BalloonExecution.jadd

...ain/jastadd/engine/balloonMarking/BalloonExecution.relast

src/main/java/de/tudresden/inf/st/pnml/engine/Main.java

.../pnml/engine/execution/DefaultFinalTransitionHandler.java

...nf/st/pnml/engine/execution/DefaultTransitionHandler.java

...esden/inf/st/pnml/engine/execution/TransitionHandler.java

...f/st/pnml/engine/execution/TransitionHandlerExecutor.java

...nf/st/pnml/engine/execution/TransitionHandlerService.java

...java/de/tudresden/inf/st/pnml/engine/ros/DiNeRosNode.java

...n/inf/st/pnml/engine/testNodes/DinerosTestClientNode.java