[*] changed in6_flowlabel_req name to in6_flowlabel_req_
[*] fixed "incomplete element type 'struct timespec'"
[*] fixed string error
[-] removed libmemcached
[*] __in6_u bug fixed
[*] string error fixed

fixed 'tx_history' command (added support plasma and zerochain)

fixed print ipv4 in the 'node dump' command

[+] Reworked global_db and node commands set. Removed set_current and set_current_remote, moved node dump from global_db to node
[+] Prefilling nodelist from config (for seed nodes)