Fix app conflict with messages. Django's messages app label conflicts with our messages app. We can't easily rename our label as that will make us rename database tables. Since our app came first we'll just customize Django messages label. For Django 1.7.7 upgrade.

#!/usr/bin/env python
import os, sys

if __name__ == "__main__":
    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "sg101.settings.local")

    from django.core.management import execute_from_command_line

    execute_from_command_line(sys.argv)