added influxDB hook with retry
added influxDB hook with retry

SpectoLabs/hoverfly,SpectoLabs/hoverfly,tjcunliffe/hoverfly,tjcunliffe/hoverfly,tjcunliffe/hoverfly,tjcunliffe/hoverfly,rusenask/genproxy,tjcunliffe/hoverfly,tjcunliffe/hoverfly