Added protobuf-c 0.15
collectd: upgraded to 5.4.1
converseen: upgraded to 0.6.7
gmic: upgraded to 1.5.8.3
sleuthkit: upgraded to 4.1.3
squid: upgraded to 3.4.3
tcpreplay: upgraded to 4.0.3
Added protobuf-c, upgraded collectd, converseen, gmic, tcpreplay, squid, sleuthkit