QPID-4265: wakeup fetches on closed receiver

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1535354 13f79535-47bb-0310-9956-ffa450edef68
QPID-4265: test closing of receiver with concurrent fetch

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1535355 13f79535-47bb-0310-9956-ffa450edef68