Fixed collectagent command line options

CollectAgent/collectagent.cpp

@@ -224,7 +224,7 @@ int main(int argc, char* const argv[]) {
       std::string listenPort, cassandraPort, restApiPort;
       listenHost="localhost";
       cassandraHost="127.0.0.1";
-      restApiHost="0:0:0:0";
+      restApiHost="0.0.0.0";
       ttl="0";
       statistics = false;
       while ((ret=getopt(argc, argv, "h:l:r:t:Ds?"))!=-1) {