MINIFI-471 Update to a more recent version of Jetty aligned with NiFi.
MINIFI-471 Update to a more recent version of Jetty aligned with NiFi.

This closes #137.

Signed-off-by: Kevin Doran <74520f7c2d05cd263b68711b591aa132a8908b2d@apache.org>

apiri/nifi-minifi,apiri/nifi-minifi,apiri/nifi-minifi