missed json -> hocon config reference

Author: BrandonArp

rpm/fs/etc/init.d/cluster-aggregator

@@ -16,7 +16,7 @@ user="cagg"
 prog="cluster-aggregator"
 dir="/opt/cluster-aggregator"
 log_dir="$dir/logs"
-config="/opt/cluster-aggregator/config/config.json"
+config="/opt/cluster-aggregator/config/config.hocon"
 logging_config="-Dlogback.configurationFile=/opt/cluster-aggregator/config/logback.xml"
 exec="/opt/cluster-aggregator/bin/cluster-aggregator"
 pid_file="/var/run/cluster-aggregator/cluster-aggregator.pid"