Get the setup procedure working now with one leader and several
volunteers.
Add README
Create two leaders first and the rest are volunteers.
Pass both leaders' ips and ports to volunteers
It seems that the port from the vessel location func is useless, the system
only allows vessel user to use the port assigned at geni
Implemented the basic role assignment
Implemented the sync between the leader and leader_sibling
Unified the syncing procedure that lets leaders share the recvmess
Merge branch 'master' of github.com:Shufeng01/Fydd