Fix typo in 0e944bed
Improve the front page's appearance
Fix a flickering effect when expanding threads
Use the email count in activity, not the thread count

As discussed on the hyperkitty-devel mailing-list.
remove the very much obsolete todo file
Refactoring of HTML tags and CSS classes
Add a link to quote the message being replied to
Use the logout view provided by Django
Keep the redirect url when already on the login page
Add a tooltip when login is required (#36)

This needs a rebuild of the jquery-ui package.

It has been applied to:
- inline replies
- like/dislike links
- favorites
Fix votes (#34)

- make sure we always use the message_id_hash
- factor some code
Fix the tags search view (#35)

And factor some views/templates while I'm at it. And remove
unused/obsolete stuff in the same move.