update start_server
delete bin/*
update upload.sh
add new_instance.sh
head.h -> utils.h
update upload.sh
update socket/
update test/
update test.c
add function dispatch_torus_nodes
update utils.h
add directory control_node
move torus_node.* to directory torus_node
delete torus_node.*
update files in directory socket
update utils.h
update makefile
update start_server_test
delete socket_def.h
update control_node/control.* files