TCPSocketTransfer Partition Awareness and listen port clean-up
TCPSocket_transfer has been modified so that only one listen port will be used per application. This port will be <partition number> * 10000 + rank. Connecting sources advertise their rank in the connect message, which is used to direct the socket to the appropriate TCPSocket_transfer instance.
Large parts of TCPSocket_transfer have been rewritten to accomodate this change and make sure that automatic reconnection and multiple senders with the same rank function correctly.