Bug fixes

- add admin style, clone from garland.
- update large screenshot.
- reposition code layout, clone from garland.
- revamp page region handling, clone from garland.
- #263342: fix buggy primary menu in IE6.
- #263363: fix buggy search-theme-form in IE6.
- #263548: fix buggy main region block title indent in IE6.

- sync with 6.x-2.x-dev.

Fix for Issue #196187 Fixed case where sql query would fail. Thanks therzog"

Bug Fix http://drupal.org/node/196187 Thanks to therzog for the fix.
General Code Cleanup.

Development snapshot for Browscap in Drupal 6.

Changes since DRUPAL-6--1-0-BETA1:

• #230234: fixed "maxlength in math captcha too short"
• explicit access parameters in hook_menu as per http://drupal.org/node/243389

Word list CAPTCHA and Phrase CAPTCHA do not work properly yet, other challenges should work.