- backport from interactive_media-7.x-3.x-dev.

- basic code syntax and Zen comments clean up.

- fix the problem of mission display in all pages.
- fix the problem of closing the edges.
- fix the list item display in vertical tab.
- fix the width display in 800x600 and 1024x768 in liquid layout.
- reset font size and line height as original design.

- fix mission display in all pages.

create branch 'DRUPAL-6--2'.

Sprout from DRUPAL-6--1 2009-12-17 19:47:58 UTC Edison Wong <hswong3i@gmail.com> '- back to 6.x-1.x-dev.'
Cherrypick from master 2008-04-23 03:03:16 UTC Edison Wong <hswong3i@gmail.com> '- project init.':
    LICENSE.txt
    favicon.ico
    images/blockquote.png
    images/comments.png
    images/date.png
    images/menu-collapsed-rtl.gif
    images/menu-collapsed.gif
    images/menu-expanded.gif
    images/menu-leaf.gif
    images/new.png
    images/pencil.png
    images/tag_blue.png
    images/user-64x64.png
    logo.png

- document more information about custom.css and custom.example.css.

- revamp primary links handling, clone from garland.

- header logo's div compatibility hack for IE8.

- renew screenshot-drupal.org.png.