Merge branch 'release/2.4.1'

build.gradle

de.bmotionstudio.gef.editor/META-INF/MANIFEST.MF

de.bmotionstudio.gef.editor/icons/eclipse16/linkto_help.gif

...f.editor/lib/ext/._antlr-2.7.7.jar1851805142189607825.tmp

de.bmotionstudio.gef.editor/plugin.xml

...ef.editor/schema/de.bmotionstudio.gef.editor.control.exsd

...c/de/bmotionstudio/gef/editor/BMSContextMenuProvider.java

...e/bmotionstudio/gef/editor/action/OpenObserverAction.java

...motionstudio/gef/editor/command/BringToBottomCommand.java

...onstudio/gef/editor/command/BringToBottomStepCommand.java

...e/bmotionstudio/gef/editor/command/BringToTopCommand.java

...otionstudio/gef/editor/command/BringToTopStepCommand.java

.../src/de/bmotionstudio/gef/editor/figure/SignalFigure.java

.../bmotionstudio/gef/editor/handler/OpenWebsiteHandler.java

...o/gef/editor/handler/StartVisualizationEditorHandler.java

...dio/gef/editor/handler/StartVisualizationFileHandler.java

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

...ditor/src/de/bmotionstudio/gef/editor/model/BControl.java

...ionstudio/gef/editor/model/BControlPropertyConstants.java

...nstudio/gef/editor/model/ObserverRootVirtualTreeNode.java