Separated configuration API calls from starter API calls - /aggregator/config and /aggregator/status

POST request to /aggregator now configures all the settings including database name and url, report period and running status (on/off)

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