Stupid typo in settings.py

settings.py

 if 'COURSEWARE_ENABLED' not in locals():
    COURSEWARE_ENABLED = True
-if 'TRACK_DIR' not in locals():
+if 'ASKBOT_ENABLED' not in locals():
    ASKBOT_ENABLED = True
 if not COURSEWARE_ENABLED:
    ASKBOT_ENABLED = False