a couple of items are obsolete and removed

This reverts commit cfc47242639e326caba37ae514730c85e337db4d.

- less intrusive theme for anonymous users names
- minor color tweaking

- A bit more contrast to comments
- Load secondary stylesheets form template.php to allow css optimization
- Other minor tweaks

 - Support for image nodes
 - Display node author in teasers
 - Clendar in teasers can be disabled via the theme post information settings
 - Footer credits message has now a class "credits" to be easily hidden via
   custom css