update buttbot config file to match python implementation

```
http://github.com/dentist/buttebot/blob/master/config

connection.name => connection.realname
it also supports server_pass and nickserv_pass
and enemies can be expressed as regular names, regexes, or globs
```

Original issue reported on code.google.com by `thomas.figg` on 13 Mar 2010 at 3:01
