Updated issues list

As we discuss and resolve the issues on the WebDAV Distributed Authoring
Protocol, I will be updating the issues list with pointers to the email
messages where the final group consensus is recorded (in a new issues list
column, titled, "Resolution").

The issues list is available at:

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

- Jim