6.x

- update screenshots.
- minor bugfix.
- P.S. skip version 6.x-2.1 to 6.x-2.5, so sync with 5.x-2.x-dev

- add experimental RTL support.
- update stock images.
- theme new comment with image.
- clone garland table, tr, td style.
- css tidy up with help of csstidy.
- documentation update.
- update screenshots.
- bugfix theme_primary().

Development snapshot for Drupal 6.x.

Fixed dumb problem with missing quotes introduced on last commit.

#247876: Now works with src attributes. Also, made the code more efficient -- not counting comments, this version has fewer loc.

Fixing http://drupal.org/node/248773
(lesson learned, more simpletest writing!)