HTTPASYNC-69: async request handler is closed by HttpAsyncRequestExecutor#closed if the underlying connection is found to be in an inconsistent state

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1569024 13f79535-47bb-0310-9956-ffa450edef68
HTTPCORE-374: Pool implementations to return a set of all known routes
Contributed by Dmitry Potapov <potapov.d at gmail.com>

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1570106 13f79535-47bb-0310-9956-ffa450edef68
Update JUnit to version 4.11 from 4.9.

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1574509 13f79535-47bb-0310-9956-ffa450edef68