fixed simulation error as the timestamps where converted incorrectly to mS when the precision in influx expects nS, the queries now() - <time> work in Chronograf

fixed simulation error as the timestamps where converted incorrectly to mS when the precision in influx expects nS, the queries now() - <time> work in Chronograf

updated simulator based on request rates and responses. More realistic as the previous logic of the simulation did not make much sense

updated simulator based on request rates and responses. More realistic as the previous logic of the simulation did not make much sense