[XML-SIG] Sax and Dom readers

[Martin v. Loewis]

>  1. remove Sax.py
>  2. rename Sax2.py to Sax.py
>  3. create a mostly empty Sax2.py that would import * from Sax for 
> backward compatibility

Sounds good to me. The same may be considered for saxexts
vs. sax2exts, but I'm uncertain whether this would break applications.

Regards,
Martin