+ setup_upload helper moved and refactored
   setup_upload now also clears the session var for multifile upload
 + empty uploads in uploads from browse are now correctly handled
 + bug fix with retro_browse_patch()
   this function was previously used to patch up old corpora
   which were missing checked-out heads.
 + hide raw history for all non-root users
 + ui changes
 + small changes
 + crash fix for user/index
   this was a result of removing some old partials
   now fixed.