Post merge commit (fix tests and compilation errors)

src/main/java/ui/GTURTLEModeling.java

src/main/java/ui/MainGUI.java

src/main/java/ui/TGUIAction.java

...ava/ui/networkmodelloader/JDialogLoadingNetworkModel.java

ttool/src/test/java/launcher/TestRshClient.java

ttool/src/test/java/ui/TestGTURTLEModeling.java