add redundancy error control for command executer
modify print message function for correct response from daemon
link communication system in the daemon main loop
remove print from main
Merge branch 'master' of github.com:corso-python-prato/share-system-team1 into link_com
add test in communication system
Merge pull request #16 from FedeDR/link_com

connect client_cmdmanager and client_daemon by socket communication_system