"simple" item lists are not compacted. See
http://docutils.sourceforge.net/FAQ.html#how-are-lists-formatted-in-html.
Bullet lists like the "Indices and Tables" section look odd when they are
not compacted. Therefore specially change any bullet list that only has
paragraph's with pending_xrefs to use compact paragraphs instead.
Implemented secnumber_suffix conf.py option. Default is '. '. Section
numbers look better if changed to u'\u00a0\u00a0'.
