[authors] PING Gary: WG Ch12 revised

[Jean Hollis Weber]

I revised some small sections of this chapter to mention the 
Outline Numbering dialog and its relationship with ToCs; the 
previous version was incomplete and therefore misleading. I made 
some other minor changes as well. Change tracking was on.

http://oooauthors.org/en/authors/userguide2/writer/feedback/0212WG-CreatingToCsIndexesBiblios_2Feb07_JHW.odt
--Jean