towards reimplementing running visualization

...gef.editor/src/de/bmotionstudio/gef/editor/Animation.java

.../src/de/bmotionstudio/gef/editor/BMotionStudioEditor.java

...r/src/de/bmotionstudio/gef/editor/BMotionStudioImage.java

...rc/de/bmotionstudio/gef/editor/BMotionStudioLauncher.java

...rc/de/bmotionstudio/gef/editor/VisualizationViewPart.java

...studio/gef/editor/controlpanel/CloseSimulationAction.java

...e/bmotionstudio/gef/editor/controlpanel/ControlPanel.java

...onstudio/gef/editor/controlpanel/RunSimulationAction.java

...nstudio/gef/editor/internal/VisualizationProgressBar.java

...tor/src/de/bmotionstudio/gef/editor/model/Simulation.java

...bmotionstudio/gef/editor/observer/SimpleValueDisplay.java