[FIX] user prefs: Restore missing avatar image. Also numerous other html fixes - including: duplicate class attribute, extra rogue opening table tag, missing closing form tag and duplicate language id (presumably a bootstrappification casualties)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52226 b456876b-0849-0410-b77d-98878d47e9d5