Added stats on simulation

modeling/AVATAR/CoffeeMachine_Avatar.xml

...artranslator/directsimulation/AvatarSimulationRunner.java

...lator/directsimulation/AvatarSpecificationSimulation.java

src/main/java/myutil/ButtonTabComponent.java

src/main/java/myutil/DataElement.java

src/main/java/myutil/GenericTree.java

src/main/java/myutil/JFrameStatistics.java

src/main/java/myutil/JTreeStats.java

src/main/java/myutil/TreeModelStats.java

src/main/java/myutil/TreeRendererStats.java

...nteractivesimulation/AvatarSimulationStatisticsPanel.java