AVATAR simulator: sm of simulation engine rewritten

...tartranslator/directsimulation/AvatarSimulationBlock.java

...nslator/directsimulation/AvatarSimulationTransaction.java

...lator/directsimulation/AvatarSpecificationSimulation.java

...ractivesimulation/AvatarInteractiveSimulationActions.java

src/ui/avatarinteractivesimulation/BlockTableModel.java

...eractivesimulation/JFrameAvatarInteractiveSimulation.java