ref #6925 Refactor model fragment paths to generic "xpath:/"
try to add a new item to admin menu
ref #6566 Migrate "New" and "Save" buttons in main toolbar
ref #6566 Migrate org.eclipse.ui.main.menu.admin DB items
ref #6566 Migrate org.eclipse.ui.main.menu.window menu
ref #6566 Migrate org.eclipse.ui.main.menu.edit menu
ref #6566 Migrate org.eclipse.ui.main.menu.file menu