Update on network models: management of properties

src/ui/TGUIAction.java

src/ui/networkmodelloader/JDialogLoadingNetworkModel.java

src/ui/networkmodelloader/NetworkModel.java

src/ui/networkmodelloader/NetworkModelPanel.java

src/ui/tmldd/TMLArchiDiagramToolBar.java

src/ui/window/JDialogAvatarExecutableCodeGeneration.java