Use yacms's project template by default. The method of
        picking the default directory is copied from Django's
        TemplateCommand.

def handle_template(self, template, subdir):
        """
        Use yacms's project template by default. The method of
        picking the default directory is copied from Django's
        TemplateCommand.
        """
        if template is None:
            return six.text_type(os.path.join(yacms.__path__[0], subdir))
        return super(Command, self).handle_template(template, subdir)