Fixed some function name errors in code doc.

    Marks a view function as being exempt from the CSRF checks

    and post processing.

    This is the same as using both the csrf_exempt_view and

    csrf_exempt_response decorators.

    This is the same as using both the csrf_view_exempt and

    csrf_response_exempt decorators.

    """

    return csrf_response_exempt(csrf_view_exempt(view_func))