Merge pull request #75 from pchote/new-playtest

Update for playtest-20131215.
don't display archives for desura and link to sub-directory
format the assets/* folders with CSS and readable filenames

closes #74
add a header and footer to the mod_autoindex pages
try to match the old redirects better
the yaml + ruby redirects don't make anything easier...
added a header
use non-bold monospace font if browser defaults something else
Merge pull request #76 from Mailaender/archived-downloads

Made the archived downloads better readable
add a secondary Hetzner content mirror
added a server donated by ut.mephi.ru
added the ihptru.net NL content mirror
also grey out the colorful game state
Merge pull request #79 from Mailaender/greyout-completely

Greyout everything
Merge pull request #77 from Mailaender/nazgul

Reinforce the content mirror system for the christmas release
Add some additional screenshots to the rotator.
Randomise and slow screenshot transitions.
Merge pull request #83 from pchote/more-screenshots

Add some new screenshots
redirect to make the content download url less hard-coded
Merge pull request #85 from Mailaender/content-redirect

Prepare the content download mirror migration