Publication preparation of use cases & req draft

Hi all and Doug,

I prepared the draft of the use cases & req document for 2nd publication,
see

http://dev.w3.org/2008/video/mediaann/mediaont-req/mediaont-req.html
esp.
http://dev.w3.org/2008/video/mediaann/mediaont-req/mediaont-req.html#status
http://dev.w3.org/2008/video/mediaann/mediaont-req/mediaont-req.html#change-log
http://dev.w3.org/2008/video/mediaann/mediaont-req/diff20090119.html
@ Doug: Except editing publication date, this should be fine.

Best,

Felix