DAV Issues list updated

I've added the issues raised by Dan Brotsky and Hatmut Warncke to the issues
list:

http://www.ics.uci.edu/pub/ietf/webdav/protocol/issues.html

> (I sent this last July, but there was no discussion and it
> doesn't appear on the issues list.  So I'm resending in an
> attempt to get it on the issues list. -dan)

Sorry about this -- this must have been a victim of my PhD dissertation
writing efforts.

- Jim