Fixed Bug #1511: Cannot access files in default folders.
The URL for a file-storage folder contains I18Nized strings and the tcl pages don't localize them. Furthermore some of the links were missing @?version_id=@contents.live_revision@
Files in default folders can now be accessed, but there is at least one more I18N glitch.
I18N work: using I18N admin UI to walk through adp:s in file-storage and found a couple of texts that I turned into message lookups. About 20 new keys added