* The New project toolbar button now works. A druid will display the

available workflows and ask you to select one of them. There are still
   a couple of unresolved issues, but it works, so i upload it to ease
   the use of the program.

system/navigator.py

@@ -9,10 +9,13 @@ import project
 class NavigatorView (gtk.TreeView):
     def __init__(self, project, app):
         self.project = project
-        self.data_tree = project.data_tree
         self.app = app
+        if project:
+            self.data_tree = project.data_tree
+        else:
+            self.data_tree = None
         
-        gtk.TreeView.__init__(self, self.data_tree)
+        gtk.TreeView.__init__(self) #, self.data_tree)
 
         self.set_headers_visible(False)
         self.connect('cursor_changed', self.cursor_changed_handler)
@@ -24,6 +27,11 @@ class NavigatorView (gtk.TreeView):
 
         logger.log('debug', 'Initializing navigator window.')
 
+    def add_project(self, project):
+        self.project = project
+        self.data_tree = project.data_tree
+        self.set_model(project.data_tree)
+
     def cursor_changed_handler(self, widget):
         selection = widget.get_selection()
         model, tree_iter = selection.get_selected()