Updated readme to reflect latest changes
Updated readme to reflect latest changes

ankon/Elasticsearch-Exporter,mallocator/Elasticsearch-Exporter,deseretbook/elasticsearch-exporter,deseretbook/elasticsearch-exporter,vtrifonov/Elasticsearch-Exporter,vtrifonov/Elasticsearch-Exporter,mallocator/Elasticsearch-Exporter,xeeo/Elasticsearch-Exporter,ankon/Elasticsearch-Exporter,xeeo/Elasticsearch-Exporter