Merge pull request #28 from Umcaruje/lightbox

Lightbox enhancements: DL button, always stay on top
Revert lightbox position to previous state
Fix images cutting off on some mobile devices
Remove home page reference to releases.php
Remove vert buttons, filter prereleases

Also removed tresf repo
Minor tweaks to downloads pages

* Added nav-pills and nav-tabs to linux page.
* Styled linux download button to match win/mac
* Improved URL hash handling on linux sub-tabs
Redundant hr tag
Minor linux styling changes

Better icon alignment, switch from pills back to tabs.
Add datestamp to release notes
Missed style.css rename
Revert to Lukas-W's button switching code
Hide prerelease warning on Linux download page
Shorten linux tab descriptions on small displays

Also added slashes between similar distro names.
Add backslash between Mageia / Mandriva
Remove DOCUMENT_ROOT_HASH
Cleanup commented code
Removed the lightbox.js from webroot
Consistent ordering of download buttons.
Consistent ordering of download buttons 2.
Preparing feeds for crontab