Set userId in PSGI sub-app

Use named parameters in addSubApp as we have 5 params
Added EBox::Middleware::SSLAuth to validate SSL clients

Only using the certificates
Use EBox::WebAdmin::PSGI with SSL validation for SOAP::Lite server

* Adoption to new PSGI app
* Validation is now done in EBox::Middleware::SSLAuth
* Remove now useless Apache and Nginx configuration