[authors] Writer Guide Chapter 12 (ToCs, Indexes, Biblios) revised

[Jean Hollis Weber]

I have revised Chapter 12 (ToCs, Indexes, Biblios) of the Writer 
Guide, updated it to OOoV3.2 (including screenshots), rewritten some
sections, and submitted it for review.

http://www.oooauthors.org/english/userguide3/writer3/V_3.0_drafts/0212WG3-TOCsIndexesBiblios_JHW_20091020.odt/view
--Jean