Add new Zen theme draft
Integrate zen theme to templates
Add screenshot and forgotten files
Add draft of settings page in Zen
Clean up settings page

 * Remove doubles in titles
 * Draw Top button image
 * Style TOC
Add cursor in menu
Enable Mark-as-read in home
Add login and installation pages
Add message when there is no entry
Style links
Fix problems with too large image width
Style blockquotes
Little hack for code style
Handle submenu and add refresh page
Add open sans font
Add author and date
Fix refresh
Add modal box
Remove empty modal box on install