RE: [security-services] minor fix needed in sstc-saml-schema-dce-2.0.xsd

> The schema file is missing a first line that all other schema 
> files have. Namely: 
> 
> <?xml version="1.0" encoding="UTF-8"?>
> 
> Trying to open the file with IE fails.

That may be as much to do with the web server as anything else, but if we were going to start requiring the schemas to have the
declaration, I'd suggest we make the encoding US-ASCII, which can result in slightly more efficient processing.

-- Scott