Merge pull request #4 from d0i/topic-ydedit-20130719-revision-update

Topic ydedit 20130719 revision update
added automated import marker for some CDATA (though, no script has made to do automated import yet).
fixes to follow official XML
copied back revision tags from xep-0322.xml of gitrious.org/xmpp/xmpp.git (maybe revision number rule is different from our intentions)
replaced <legal> tags with external entity.
fixed broken diagram
Merge branch 'master' into topic-ydedit-20130719-revision-update
merged topic-ydedit-20130719-revision-update
locally build exi.html