Add X-HTTP-ReqeustId headers to http responses and logs

[baszoetekouw]

For each HTTP request that is handled:

• generate a unique random id
• add this request ID to all log lines that are triggered durign handling of this request
• add this request ID to as a X-HTTP-RequestId header in the http response header.

This (together the the correlation id and session id) will allow us to trace authentication requests throughout the application flow.