iudex-html: pom, lock upgrade to nekohtml 1.9.17
da: Upgrade to pool jar, db-utils ~> 1.5.0
char-detector: Upgrade to icu4j (4.)50.1
Misc Gemfile.lock updates
core: Add additional VisitQueue configure test
Initial upgrade to jetty 9, client not yet passing
jetty: Fix SessionAbort handling
jetty: Fix MAX_REDIRECT_EXCEEDED handling
jetty: Fix header, Request-Line handling
jetty: Disable redirect tests, final url not accessible
jetty: Improve log and avoid some cases of double handling
http-test: Add rescue, log of EPIPE from BrokenServer.accept
jetty: Extend broken tests for ClosedChannelException, other possibilities
jetty: Improve test logging setup
jetty: Further simplify callbacks
jetty: Re-order default options; note dispatch_io
jetty: Specific handling of redudant AsynchronousCloseException
jetty: cosmetic
jetty: Drop now unnecessary sleeps in tests
worker: Update config_jetty_http.rb sample