QPID-5522 : TransactionController endless wait when the TCP/IP connection is lost
detect link / session / connection failures when sending to, and expecting a response from, the transaction controller

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1562444 13f79535-47bb-0310-9956-ffa450edef68
QPID-5211: Prevent spurious not valid state transitions for MemoryMessageStore and test QuotaMessageStore

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1562452 13f79535-47bb-0310-9956-ffa450edef68