fix references

glsp-client/tasklist-glsp/css/diagram.css

...t/tasklist-glsp/src/ui-extensions/active-pages-overlay.ts

...sp/example/javaemf/Simulation/FireTransitionExecutor.java

...g/eclipse/glsp/example/javaemf/TaskListDiagramModule.java

.../eclipse/glsp/example/javaemf/TinaMenu/PNMLFlattener.java

...e/glsp/example/javaemf/TinaMenu/RunTinaActionHandler.java

...mf/handler/EdgeAndRefCreation/CreateReferenceHandler.java

...g/eclipse/glsp/example/javaemf/model/ModelAccessUtil.java

...pse/glsp/example/javaemf/model/TaskListGModelFactory.java

...lsp/example/javaemf/model/TaskListSourceModelStorage.java

...example/javaemf/validators/CyclicReferencesValidator.java