- backported all advanced theme settings from Drupal 7 version

- better handling for drop down menus
- logo and favicon images were removed
- branding text is now centered
- better stylings for poll module
- added IE7 support
- bug: double borders on search results and aggregator pages
- separate each item on search results page
- removed underlines from anchors
- Bug: some inputs can overflow vertical tabs
- Bug: forum icons not centered verticaly