jetty-9.2.23.v20171218
+ 1556 Remove a timing channel in Password matching + 1685 Update ALPN support for Java 8u141 + 1702 Update ALPN support for Java 8u144 + 1914 HttpClient fails to parse Content-Type response header with RFC 2045 charset="utf-8" syntax + 2065 Backport #347 to Jetty 9.2.x + 475546 ClosedChannelException when connecting to HTTPS over HTTP proxy with CONNECT