def action_type_short(self):
        """
        Return a shortened, generalized version of an action type.

        Useful for presenting an image signifying an action type. Example::
        >>> from notification.models import  NoticeType
        >>> nt = NoticeType(label='project_added')
        >>> zlog = LogEntry(action_type=nt)
        >>> nt
        <NoticeType: project_added>
        >>> zlog.action_type
        <NoticeType: project_added>
        >>> zlog.action_type_short
        'added'
        """
        return self.action_type.label.split('_')[-1]