Update docs for ElasticSearchCollector
Update docs for ElasticSearchCollector

tusharmakkar08/Diamond,python-diamond/Diamond,tusharmakkar08/Diamond,tusharmakkar08/Diamond,gg7/diamond,python-diamond/Diamond,skbkontur/Diamond,MichaelDoyle/Diamond,MichaelDoyle/Diamond,MichaelDoyle/Diamond,gg7/diamond,python-diamond/Diamond,skbkontur/Diamond,gg7/diamond,MichaelDoyle/Diamond,gg7/diamond,skbkontur/Diamond,skbkontur/Diamond,tusharmakkar08/Diamond