* C/usage-calendar.sgml: Incorporated chgs from Kevin. * C/config-prefs.sgml: began total overhaul of structure and added content reflecting new prefs items. needs LOTS more work. * C/usage-mail.sgml: changed some references to id's in the config-prefs section. * C/fig/config-mail.png: changed filename from config-prefs.png svn path=/trunk/; revision=3417