FELIX-4311 - log real Jetty version; include custom bundle header to reflect the used Jetty version.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1540651 13f79535-47bb-0310-9956-ffa450edef68
FELIX-4311 - log real Jetty version; include custom bundle header to reflect the used Jetty version.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1540652 13f79535-47bb-0310-9956-ffa450edef68