[mythtv] Cleaned up DSS script.

[J. Donavan Stanley]

Neil Whelchel wrote:

>Hello,
>I have an RCA DSS receiver and I was having a few issues with the perl
>script intended to control it, so I made a few cleanups.. Here it is in
>anyone is interested.
>
>  
>

It might help if you list some sort of change log...