Added missing Exporters to exporter-list
Added missing Exporters to exporter-list

Adds exporters that are still missing in the official documentation up to now. Fixes this.

prometheus/docs,Cepave/openfalcon.io,ddfreyne/prometheus-docs,du2016/prometheus-docs,du2016/prometheus-docs,prometheus/docs,tcolgate/docs,chosenken/docs,open-falcon/open-falcon.github.io,open-falcon/open-falcon.github.io,ddfreyne/prometheus-docs,du2016/prometheus-docs,chosenken/docs,chosenken/docs,prometheus/docs,tcolgate/docs,ddfreyne/prometheus-docs,ddfreyne/prometheus-docs,Cepave/openfalcon.io,chosenken/docs,tcolgate/docs,Cepave/openfalcon.io,open-falcon/open-falcon.github.io