It seems file uploads on savannah have been working since January 15th. I've just tried it and it works (I've uploaded wesnoth-0.8.7.tar.gz): http://savannah.nongnu.org/download/wesnoth/
There are no web frontend to do the uploads, the files must be uploaded with an FTP client and have to be signed with a GPG signature. You can get more information about this here: http://savannah.gnu.org/forum/forum.php?forum_id=2838 or asking here :P Best regards
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