Split the UI part of sugarext out to his own module to avoid

dragging gtk inside services.

sugar/activity/activity.py

@@ -40,7 +40,7 @@ from sugar.graphics.toolcombobox import ToolComboBox
 from sugar.datastore import datastore
 from sugar import wm
 from sugar import profile
-from sugar import _sugarext
+from sugar import _sugaruiext
 
 class ActivityToolbar(gtk.Toolbar):
     SHARE_PRIVATE = 0
@@ -289,7 +289,7 @@ class Activity(Window, gtk.Container):
         return self._activity_id
 
     def get_service_name(self):
-        return _sugarext.get_prgname()
+        return _sugaruiext.get_prgname()
 
     def set_canvas(self, canvas):
         Window.set_canvas(self, canvas)
@@ -469,7 +469,7 @@ class Activity(Window, gtk.Container):
 def get_bundle_name():
     """Return the bundle name for the current process' bundle
     """
-    return _sugarext.get_application_name()
+    return _sugaruiext.get_application_name()
     
 def get_bundle_path():
     """Return the bundle path for the current process' bundle