[XSP] Clean up main, use modern features
[XSP] Clean up SecurityConfiguration, use modern features
[XSP] Clean up SslInformation, use modern features
[XSP] Clean up XSPApplicationHost, use modern features
[XSP] Clean up XSPWebSource, use modern features
[XSP] Clean up XSPWorker, use modern features
[XSP] Clean up XSPWorkerRequest, use modern features
[XSP] Remove private, use BCL for string
Merge pull request #16 from miniBill/cleaning_xsp

Cleaning XSP