Job.__init__():  Only create the builddir directory if it will be used (by     building the HTML or text documentation).  There is no need to create     it for other formats.
Job.__init__():  Only create the builddir directory if it will be used (by
    building the HTML or text documentation).  There is no need to create
    it for other formats.

Job.build_html():  The builddir parameter is always passed in, so it need
    not be optional.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator