[rel-v8r0]
*StompMQConnector
FIX: (7854) add a timeout for the StompConnector to handle nonresponsive sockets which can cause logging to be blocked
*Core
FIX: (7852) ensure processProposal always returns "closeTransport" on error
FIX: (7848) Prevent `-1` returned from `oSocket.write` being interpreted as number of bytes to avoid an infinite loop in `DISET BaseTransport.sendData`.
*DataManagementSystem
FIX: (7847) Fix deadlock when FTS3Agent._treatOperation fails
FIX: (7844) fix wrong return type in the FTS3Agent, when using tokens