More Additions...

Added Elect a leader code, based on PROCESS_SRC_ID
Added quorum Voting messages (drop member)
Added quorum Community consensus messages (establish leader)
Added HTTP Interface, handling such that only one HTTP interface is served per IP address.
Added JSON serialization to incoming and outgoing UDP messages.
Fixed the time.time() so each process uses and compares against its local clock.
Fixed ACK with BCK, a reply acknowledgement.