Added script to simulate more simultaneous executions of the ceilometer script

ceilometer-for-tests.sh

+#!/bin/bash
+for i in {1..500}
+do
+    python /usr/lib/zabbix/externalscripts/ceilometer $1 $2 
+    #sleep `perl -e 'printf("%.2f\n", rand())'`
+done
+wait