Fixed some statistics bugs.

Now when a user forfeits or chooses not to accept a challenge, their information
will not be used in the statistics for that challenge.
Merge branch 'master' of github.com:ebanner/text-editing-tournament
Added support for just specifying host for participant.
Fixed a bug with ws.py (websocket forwarding server) where newlines
were not correctly forwarded. Display code has been tested, and
appears to work with the main server.
Merge branch 'master' of github.com:ebanner/text-editing-tournament