XWIKI-4822: Using XML symbols (<, >, &) inside the user's name breaks various parts of the UI and causes the PDF export to throw exceptions Fixed.
XWIKI-4822: Using XML symbols (<, >, &) inside the user's name breaks various parts of the UI and causes the PDF export to throw exceptions
Fixed.

git-svn-id: d23d7a6431d93e1bdd218a46658458610974b053@26565 f329d543-caf0-0310-9063-dda96c69346f

xwiki/xwiki-platform,pbondoer/xwiki-platform,pbondoer/xwiki-platform,pbondoer/xwiki-platform,xwiki/xwiki-platform,pbondoer/xwiki-platform,pbondoer/xwiki-platform,xwiki/xwiki-platform,xwiki/xwiki-platform,xwiki/xwiki-platform