Separate open project and open xml

src/main/java/ui/ActionPerformer.java

src/main/java/ui/JMenuBarTurtle.java

src/main/java/ui/JToolBarMainTurtle.java

src/main/java/ui/MainGUI.java

src/main/java/ui/ModeManager.java

src/main/java/ui/TGUIAction.java

ttool/project_config.xml