Item12481:

   * renamed NATWEBLOGOIMG preference setting to NATSKIN_LOGO
   * improved history browser



git-svn-id: http://svn.foswiki.org/trunk@16787 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12481:

   * removed bogus foswiki.jazzynote.nat.tmpl which broke customization of the logo
   * fixes matching latest jquery.superfish changes
   * improved history browser
   * fixed documentation on how to customize NatSkin



git-svn-id: http://svn.foswiki.org/trunk@16788 0b4bb1d4-4e5a-0410-9cc4-b2b747904278