CC-18 always set the logstashurl
Merge pull request #858 from control-center/feature/CC-18

CC-18 always set the logstashurl
fixes ZEN-12700, exit the container controller if the RPC server on the host has gone away
Merge pull request #861 from control-center/feature/ZEN-12700

fixes ZEN-12700, exit the container controller if the RPC server on the ...