XWIKI-5003: Add optional parameter support for Reference Resolvers and Serializers
XWIKI-5003: Add optional parameter support for Reference Resolvers and Serializers

* Exclude from backward compat checks since it's broken voluntarily (really fix it this time)

git-svn-id: d23d7a6431d93e1bdd218a46658458610974b053@27582 f329d543-caf0-0310-9063-dda96c69346f

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