Add simulation parameters in config file

Author: jmarin

cluster/src/test/resources/application.conf

@@ -4,7 +4,7 @@ hmda {
     host = ${?HMDA_BENCHMARK_HOST}
     port = "8080"
     port = ${?HMDA_BENCHMARK_PORT}
-    nrOfUsers = 5
-    rampUpTime = 10
+    nrOfUsers = 1000
+    rampUpTime = 30
   }
 }