now using HTTP/2

With the valuable help in this article on Techwombat, the web site now uses the HTTP/2 network protocol. HTTP/2 is the first new version of HTTP since HTTP 1.1, which was standardized in RFC 2068 in 1997. As most major browsers added HTTP/2 support already by end of 2015, this change should not have any noticeable effects for visitors of the ScroogeXHTML web site. now using HTTP/2