Updated NATS exporter link (#748)
Updated NATS exporter link (#748)

I've updated the NATS Exporter to be the one maintained by the NATS team, which was released this week. The previous link was to Lovoo's exporter - Markus (maintainer of Lovoo's) is aware of this change and fine with it.
chosenken/docs,du2016/prometheus-docs,prometheus/docs,chosenken/docs,prometheus/docs,chosenken/docs,prometheus/docs,ddfreyne/prometheus-docs,ddfreyne/prometheus-docs,du2016/prometheus-docs,chosenken/docs,ddfreyne/prometheus-docs,ddfreyne/prometheus-docs,du2016/prometheus-docs