[authors] Edited WG Ch6 (Intro to Styles)

[Jean Hollis Weber]

Heavily edited Michele's new section on applying list styles. Minor 
edits elsewhere. Fixed some figure anchors. Track changes were on.
-- Jean
http://oooauthors.org/en/authors/userguide3/writer3/feedback/0206WG-IntroductionToStyles_JHW_20080711.odt/file_view