Update elasticsearch to 2.0.0 beta
Update elasticsearch to 2.0.0 beta

Gasol/Elastica,Gasol/Elastica,fubuki/Elastica,ebernhardson/Elastica,ewgRa/Elastica,kartikm/Elastica,ARAMISAUTO/Elastica,fubuki/Elastica,p365labs/Elastica,webdevsHub/Elastica,giovannialbero1992/Elastica,JustinHook/Elastica,JustinHook/Elastica,stof/Elastica,p365labs/Elastica,ruflin/Elastica,Jmoati/Elastica,miniplay/Elastica,stof/Elastica,ewgRa/Elastica,ebernhardson/Elastica,miniplay/Elastica,kartikm/Elastica,webdevsHub/Elastica,giovannialbero1992/Elastica,Jmoati/Elastica,ARAMISAUTO/Elastica