[Rpm-metadata] updates

[seth vidal]

> option 1:
>  doing a 'try, except' conditional and if it fails, bailing on the rpm.
> option 2.
>  doing a 'try, except' conditional and if it fails, warning, and
> replacing the string with 'GET THE PACKAGER TO WRITE IN ASCII OR UTF8'
> or something equally as caustic.

option 3:
 'try, except' - on failure, do the ordinal test char by char in the
string and replace/remove the offending character(s)

-sv