Add memcached-exporter to list of exporters.
Add memcached-exporter to list of exporters.

Cepave/openfalcon.io,chosenken/docs,ChaoticMind/docs,vic3lord/docs,prometheus/docs,evanphx/docs,open-falcon/open-falcon.github.io,fabxc/docs,vic3lord/docs,chosenken/docs,ChaoticMind/docs,ddfreyne/prometheus-docs,Cepave/openfalcon.io,chosenken/docs,dln/docs,ddfreyne/prometheus-docs,prometheus/docs,jimmidyson/docs,pdbogen/docs,evanphx/docs,Cepave/openfalcon.io,ddfreyne/prometheus-docs,ddfreyne/prometheus-docs,bluecmd/prometheus-docs,bluecmd/prometheus-docs,tcolgate/docs,dln/docs,evanphx/docs,dato/prometheus-docs,bluecmd/prometheus-docs,tcolgate/docs,fabxc/docs,jmptrader/docs,pdbogen/docs,open-falcon/open-falcon.github.io,jimmidyson/docs,dato/prometheus-docs,tcolgate/docs,fabxc/docs,pdbogen/docs,jmptrader/docs,du2016/prometheus-docs,dln/docs,vic3lord/docs,du2016/prometheus-docs,jmptrader/docs,du2016/prometheus-docs,open-falcon/open-falcon.github.io,chosenken/docs,ChaoticMind/docs,prometheus/docs,jimmidyson/docs,dato/prometheus-docs