[Icecast] admin.cgi metadata updates

[Ross Levis]

I wrote:
> Is there any chance of adding support for something like this...
> mount=/stream.ogg&user=username&pass=password&mode=...

Actually, this may not be necessary afterall.  I'm adding this function 
into a Windows application I'm writing and the HTTP component I'm using 
appears to support a separate username & password property for 
authentication, so I should be able to use this.

Regards,
Ross.