v8.0.56

[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