update gradle version from 2.6 to 2.8
update gradle version from 2.6 to 2.8

markwalkom/elasticsearch,winstonewert/elasticsearch,markharwood/elasticsearch,HonzaKral/elasticsearch,coding0011/elasticsearch,xuzha/elasticsearch,palecur/elasticsearch,mohit/elasticsearch,mikemccand/elasticsearch,strapdata/elassandra5-rc,i-am-Nathan/elasticsearch,tebriel/elasticsearch,mikemccand/elasticsearch,bawse/elasticsearch,tebriel/elasticsearch,rajanm/elasticsearch,clintongormley/elasticsearch,nezirus/elasticsearch,jprante/elasticsearch,dpursehouse/elasticsearch,clintongormley/elasticsearch,glefloch/elasticsearch,rajanm/elasticsearch,JackyMai/elasticsearch,kalimatas/elasticsearch,markwalkom/elasticsearch,GlenRSmith/elasticsearch,gingerwizard/elasticsearch,rhoml/elasticsearch,MaineC/elasticsearch,cwurm/elasticsearch,sreeramjayan/elasticsearch,clintongormley/elasticsearch,trangvh/elasticsearch,JervyShi/elasticsearch,liweinan0423/elasticsearch,alexshadow007/elasticsearch,gfyoung/elasticsearch,ZTE-PaaS/elasticsearch,snikch/elasticsearch,awislowski/elasticsearch,brandonkearby/elasticsearch,glefloch/elasticsearch,jpountz/elasticsearch,mmaracic/elasticsearch,scorpionvicky/elasticsearch,gingerwizard/elasticsearch,mikemccand/elasticsearch,IanvsPoplicola/elasticsearch,palecur/elasticsearch,cwurm/elasticsearch,myelin/elasticsearch,jprante/elasticsearch,JackyMai/elasticsearch,henakamaMSFT/elasticsearch,rhoml/elasticsearch,ESamir/elasticsearch,mmaracic/elasticsearch,yynil/elasticsearch,scottsom/elasticsearch,ZTE-PaaS/elasticsearch,GlenRSmith/elasticsearch,wbowling/elasticsearch,mmaracic/elasticsearch,AndreKR/elasticsearch,maddin2016/elasticsearch,markharwood/elasticsearch,wbowling/elasticsearch,naveenhooda2000/elasticsearch,obourgain/elasticsearch,scorpionvicky/elasticsearch,dpursehouse/elasticsearch,naveenhooda2000/elasticsearch,IanvsPoplicola/elasticsearch,davidvgalbraith/elasticsearch,nezirus/elasticsearch,martinstuga/elasticsearch,girirajsharma/elasticsearch,camilojd/elasticsearch,strapdata/elassandra5-rc,mmaracic/elasticsearch,JackyMai/elasticsearch,geidies/elasticsearch,nazarewk/elasticsearch,lks21c/elasticsearch,Stacey-Gammon/elasticsearch,spiegela/elasticsearch,ricardocerq/elasticsearch,nomoa/elasticsearch,scottsom/elasticsearch,kaneshin/elasticsearch,bawse/elasticsearch,mapr/elasticsearch,F0lha/elasticsearch,naveenhooda2000/elasticsearch,mapr/elasticsearch,dpursehouse/elasticsearch,StefanGor/elasticsearch,jpountz/elasticsearch,gfyoung/elasticsearch,markharwood/elasticsearch,elasticdog/elasticsearch,ZTE-PaaS/elasticsearch,rlugojr/elasticsearch,yanjunh/elasticsearch,i-am-Nathan/elasticsearch,nazarewk/elasticsearch,fforbeck/elasticsearch,JervyShi/elasticsearch,ThiagoGarciaAlves/elasticsearch,episerver/elasticsearch,awislowski/elasticsearch,StefanGor/elasticsearch,xuzha/elasticsearch,jchampion/elasticsearch,uschindler/elasticsearch,dongjoon-hyun/elasticsearch,jbertouch/elasticsearch,ivansun1010/elasticsearch,myelin/elasticsearch,mmaracic/elasticsearch,andrejserafim/elasticsearch,LewayneNaidoo/elasticsearch,diendt/elasticsearch,girirajsharma/elasticsearch,gingerwizard/elasticsearch,Stacey-Gammon/elasticsearch,nilabhsagar/elasticsearch,AndreKR/elasticsearch,strapdata/elassandra5-rc,StefanGor/elasticsearch,snikch/elasticsearch,gmarz/elasticsearch,mortonsykes/elasticsearch,HonzaKral/elasticsearch,jprante/elasticsearch,tebriel/elasticsearch,ThiagoGarciaAlves/elasticsearch,jimczi/elasticsearch,s1monw/elasticsearch,masaruh/elasticsearch,andrejserafim/elasticsearch,kaneshin/elasticsearch,camilojd/elasticsearch,liweinan0423/elasticsearch,strapdata/elassandra5-rc,glefloch/elasticsearch,sreeramjayan/elasticsearch,nazarewk/elasticsearch,dongjoon-hyun/elasticsearch,sneivandt/elasticsearch,nezirus/elasticsearch,gfyoung/elasticsearch,kaneshin/elasticsearch,nezirus/elasticsearch,avikurapati/elasticsearch,ESamir/elasticsearch,elasticdog/elasticsearch,nilabhsagar/elasticsearch,vroyer/elassandra,fernandozhu/elasticsearch,sneivandt/elasticsearch,strapdata/elassandra,mohit/elasticsearch,njlawton/elasticsearch,elasticdog/elasticsearch,spiegela/elasticsearch,JackyMai/elasticsearch,jimczi/elasticsearch,Shepard1212/elasticsearch,strapdata/elassandra,strapdata/elassandra,robin13/elasticsearch,F0lha/elasticsearch,henakamaMSFT/elasticsearch,ThiagoGarciaAlves/elasticsearch,bawse/elasticsearch,ThiagoGarciaAlves/elasticsearch,JSCooke/elasticsearch,HonzaKral/elasticsearch,masaruh/elasticsearch,martinstuga/elasticsearch,myelin/elasticsearch,zkidkid/elasticsearch,lks21c/elasticsearch,F0lha/elasticsearch,nilabhsagar/elasticsearch,LeoYao/elasticsearch,ESamir/elasticsearch,awislowski/elasticsearch,umeshdangat/elasticsearch,jchampion/elasticsearch,ricardocerq/elasticsearch,nknize/elasticsearch,martinstuga/elasticsearch,wbowling/elasticsearch,mmaracic/elasticsearch,pozhidaevak/elasticsearch,zkidkid/elasticsearch,diendt/elasticsearch,artnowo/elasticsearch,fforbeck/elasticsearch,sneivandt/elasticsearch,C-Bish/elasticsearch,jimczi/elasticsearch,elasticdog/elasticsearch,lks21c/elasticsearch,wuranbo/elasticsearch,scottsom/elasticsearch,snikch/elasticsearch,njlawton/elasticsearch,AndreKR/elasticsearch,jpountz/elasticsearch,wbowling/elasticsearch,spiegela/elasticsearch,kalimatas/elasticsearch,snikch/elasticsearch,winstonewert/elasticsearch,kalimatas/elasticsearch,yynil/elasticsearch,a2lin/elasticsearch,HonzaKral/elasticsearch,rmuir/elasticsearch,njlawton/elasticsearch,qwerty4030/elasticsearch,fred84/elasticsearch,naveenhooda2000/elasticsearch,winstonewert/elasticsearch,yanjunh/elasticsearch,coding0011/elasticsearch,gmarz/elasticsearch,avikurapati/elasticsearch,njlawton/elasticsearch,tebriel/elasticsearch,nazarewk/elasticsearch,spiegela/elasticsearch,zkidkid/elasticsearch,jprante/elasticsearch,C-Bish/elasticsearch,sneivandt/elasticsearch,henakamaMSFT/elasticsearch,geidies/elasticsearch,JervyShi/elasticsearch,brandonkearby/elasticsearch,JervyShi/elasticsearch,StefanGor/elasticsearch,rmuir/elasticsearch,masaruh/elasticsearch,fernandozhu/elasticsearch,liweinan0423/elasticsearch,myelin/elasticsearch,strapdata/elassandra5-rc,martinstuga/elasticsearch,nknize/elasticsearch,naveenhooda2000/elasticsearch,jbertouch/elasticsearch,mjason3/elasticsearch,alexshadow007/elasticsearch,C-Bish/elasticsearch,mikemccand/elasticsearch,yynil/elasticsearch,shreejay/elasticsearch,geidies/elasticsearch,jchampion/elasticsearch,MisterAndersen/elasticsearch,rmuir/elasticsearch,palecur/elasticsearch,yynil/elasticsearch,nomoa/elasticsearch,uschindler/elasticsearch,shreejay/elasticsearch,obourgain/elasticsearch,trangvh/elasticsearch,ESamir/elasticsearch,episerver/elasticsearch,jbertouch/elasticsearch,maddin2016/elasticsearch,kaneshin/elasticsearch,gfyoung/elasticsearch,vroyer/elasticassandra,markwalkom/elasticsearch,JackyMai/elasticsearch,gmarz/elasticsearch,wenpos/elasticsearch,jpountz/elasticsearch,IanvsPoplicola/elasticsearch,wangtuo/elasticsearch,wangtuo/elasticsearch,sneivandt/elasticsearch,brandonkearby/elasticsearch,polyfractal/elasticsearch,wenpos/elasticsearch,brandonkearby/elasticsearch,rlugojr/elasticsearch,diendt/elasticsearch,tebriel/elasticsearch,umeshdangat/elasticsearch,nomoa/elasticsearch,sreeramjayan/elasticsearch,wuranbo/elasticsearch,winstonewert/elasticsearch,xuzha/elasticsearch,rhoml/elasticsearch,Helen-Zhao/elasticsearch,gfyoung/elasticsearch,qwerty4030/elasticsearch,C-Bish/elasticsearch,jchampion/elasticsearch,trangvh/elasticsearch,nknize/elasticsearch,uschindler/elasticsearch,uschindler/elasticsearch,LeoYao/elasticsearch,pozhidaevak/elasticsearch,StefanGor/elasticsearch,yanjunh/elasticsearch,jbertouch/elasticsearch,sreeramjayan/elasticsearch,LewayneNaidoo/elasticsearch,robin13/elasticsearch,wangtuo/elasticsearch,rmuir/elasticsearch,tebriel/elasticsearch,xuzha/elasticsearch,camilojd/elasticsearch,artnowo/elasticsearch,cwurm/elasticsearch,glefloch/elasticsearch,spiegela/elasticsearch,zkidkid/elasticsearch,vroyer/elassandra,coding0011/elasticsearch,davidvgalbraith/elasticsearch,obourgain/elasticsearch,qwerty4030/elasticsearch,palecur/elasticsearch,sreeramjayan/elasticsearch,yanjunh/elasticsearch,gingerwizard/elasticsearch,alexshadow007/elasticsearch,ricardocerq/elasticsearch,nezirus/elasticsearch,jchampion/elasticsearch,qwerty4030/elasticsearch,markwalkom/elasticsearch,shreejay/elasticsearch,rmuir/elasticsearch,JSCooke/elasticsearch,pozhidaevak/elasticsearch,polyfractal/elasticsearch,bawse/elasticsearch,diendt/elasticsearch,liweinan0423/elasticsearch,i-am-Nathan/elasticsearch,LewayneNaidoo/elasticsearch,GlenRSmith/elasticsearch,jimczi/elasticsearch,jimczi/elasticsearch,Helen-Zhao/elasticsearch,masaruh/elasticsearch,markharwood/elasticsearch,LeoYao/elasticsearch,F0lha/elasticsearch,rmuir/elasticsearch,vroyer/elasticassandra,scottsom/elasticsearch,mortonsykes/elasticsearch,mohit/elasticsearch,mapr/elasticsearch,nomoa/elasticsearch,avikurapati/elasticsearch,winstonewert/elasticsearch,scorpionvicky/elasticsearch,zkidkid/elasticsearch,shreejay/elasticsearch,myelin/elasticsearch,dpursehouse/elasticsearch,mortonsykes/elasticsearch,IanvsPoplicola/elasticsearch,polyfractal/elasticsearch,dpursehouse/elasticsearch,nilabhsagar/elasticsearch,elasticdog/elasticsearch,vroyer/elassandra,diendt/elasticsearch,umeshdangat/elasticsearch,henakamaMSFT/elasticsearch,geidies/elasticsearch,nilabhsagar/elasticsearch,JervyShi/elasticsearch,obourgain/elasticsearch,artnowo/elasticsearch,gingerwizard/elasticsearch,xuzha/elasticsearch,fred84/elasticsearch,nknize/elasticsearch,rajanm/elasticsearch,mjason3/elasticsearch,camilojd/elasticsearch,lks21c/elasticsearch,fernandozhu/elasticsearch,mapr/elasticsearch,ricardocerq/elasticsearch,MisterAndersen/elasticsearch,obourgain/elasticsearch,nknize/elasticsearch,clintongormley/elasticsearch,fforbeck/elasticsearch,JSCooke/elasticsearch,episerver/elasticsearch,episerver/elasticsearch,JervyShi/elasticsearch,JSCooke/elasticsearch,wenpos/elasticsearch,awislowski/elasticsearch,LeoYao/elasticsearch,mjason3/elasticsearch,nazarewk/elasticsearch,gingerwizard/elasticsearch,rajanm/elasticsearch,scottsom/elasticsearch,andrejserafim/elasticsearch,kalimatas/elasticsearch,umeshdangat/elasticsearch,fernandozhu/elasticsearch,ivansun1010/elasticsearch,gingerwizard/elasticsearch,AndreKR/elasticsearch,dongjoon-hyun/elasticsearch,trangvh/elasticsearch,palecur/elasticsearch,mikemccand/elasticsearch,yynil/elasticsearch,pozhidaevak/elasticsearch,markharwood/elasticsearch,ThiagoGarciaAlves/elasticsearch,mjason3/elasticsearch,markharwood/elasticsearch,AndreKR/elasticsearch,jchampion/elasticsearch,scorpionvicky/elasticsearch,LewayneNaidoo/elasticsearch,kalimatas/elasticsearch,Shepard1212/elasticsearch,mortonsykes/elasticsearch,fred84/elasticsearch,markwalkom/elasticsearch,qwerty4030/elasticsearch,fred84/elasticsearch,jpountz/elasticsearch,uschindler/elasticsearch,C-Bish/elasticsearch,MisterAndersen/elasticsearch,ivansun1010/elasticsearch,Stacey-Gammon/elasticsearch,GlenRSmith/elasticsearch,ivansun1010/elasticsearch,wuranbo/elasticsearch,Helen-Zhao/elasticsearch,wbowling/elasticsearch,F0lha/elasticsearch,ZTE-PaaS/elasticsearch,kaneshin/elasticsearch,wangtuo/elasticsearch,cwurm/elasticsearch,GlenRSmith/elasticsearch,cwurm/elasticsearch,artnowo/elasticsearch,polyfractal/elasticsearch,JSCooke/elasticsearch,MaineC/elasticsearch,girirajsharma/elasticsearch,awislowski/elasticsearch,davidvgalbraith/elasticsearch,henakamaMSFT/elasticsearch,rhoml/elasticsearch,i-am-Nathan/elasticsearch,robin13/elasticsearch,i-am-Nathan/elasticsearch,mapr/elasticsearch,geidies/elasticsearch,LewayneNaidoo/elasticsearch,jbertouch/elasticsearch,dongjoon-hyun/elasticsearch,camilojd/elasticsearch,Stacey-Gammon/elasticsearch,fforbeck/elasticsearch,s1monw/elasticsearch,alexshadow007/elasticsearch,LeoYao/elasticsearch,maddin2016/elasticsearch,robin13/elasticsearch,kaneshin/elasticsearch,ThiagoGarciaAlves/elasticsearch,Helen-Zhao/elasticsearch,avikurapati/elasticsearch,s1monw/elasticsearch,AndreKR/elasticsearch,camilojd/elasticsearch,maddin2016/elasticsearch,a2lin/elasticsearch,Shepard1212/elasticsearch,a2lin/elasticsearch,vroyer/elasticassandra,jbertouch/elasticsearch,brandonkearby/elasticsearch,andrejserafim/elasticsearch,sreeramjayan/elasticsearch,gmarz/elasticsearch,ESamir/elasticsearch,robin13/elasticsearch,fernandozhu/elasticsearch,girirajsharma/elasticsearch,MaineC/elasticsearch,rlugojr/elasticsearch,davidvgalbraith/elasticsearch,yanjunh/elasticsearch,coding0011/elasticsearch,mohit/elasticsearch,xuzha/elasticsearch,polyfractal/elasticsearch,clintongormley/elasticsearch,MaineC/elasticsearch,gmarz/elasticsearch,andrejserafim/elasticsearch,davidvgalbraith/elasticsearch,lks21c/elasticsearch,episerver/elasticsearch,rhoml/elasticsearch,jprante/elasticsearch,avikurapati/elasticsearch,masaruh/elasticsearch,wenpos/elasticsearch,njlawton/elasticsearch,nomoa/elasticsearch,strapdata/elassandra,MisterAndersen/elasticsearch,Stacey-Gammon/elasticsearch,fred84/elasticsearch,wuranbo/elasticsearch,wuranbo/elasticsearch,a2lin/elasticsearch,rajanm/elasticsearch,rlugojr/elasticsearch,wbowling/elasticsearch,diendt/elasticsearch,s1monw/elasticsearch,MaineC/elasticsearch,pozhidaevak/elasticsearch,LeoYao/elasticsearch,bawse/elasticsearch,wangtuo/elasticsearch,clintongormley/elasticsearch,girirajsharma/elasticsearch,ricardocerq/elasticsearch,fforbeck/elasticsearch,yynil/elasticsearch,trangvh/elasticsearch,mapr/elasticsearch,liweinan0423/elasticsearch,wbowling/elasticsearch,ZTE-PaaS/elasticsearch,ESamir/elasticsearch,Helen-Zhao/elasticsearch,a2lin/elasticsearch,ivansun1010/elasticsearch,IanvsPoplicola/elasticsearch,rlugojr/elasticsearch,rajanm/elasticsearch,snikch/elasticsearch,markwalkom/elasticsearch,mjason3/elasticsearch,umeshdangat/elasticsearch,polyfractal/elasticsearch,strapdata/elassandra,rhoml/elasticsearch,F0lha/elasticsearch,mortonsykes/elasticsearch,davidvgalbraith/elasticsearch,geidies/elasticsearch,Shepard1212/elasticsearch,girirajsharma/elasticsearch,glefloch/elasticsearch,scorpionvicky/elasticsearch,LeoYao/elasticsearch,andrejserafim/elasticsearch,s1monw/elasticsearch,alexshadow007/elasticsearch,martinstuga/elasticsearch,dongjoon-hyun/elasticsearch,maddin2016/elasticsearch,MisterAndersen/elasticsearch,shreejay/elasticsearch,jpountz/elasticsearch,martinstuga/elasticsearch,wenpos/elasticsearch,coding0011/elasticsearch,mohit/elasticsearch,artnowo/elasticsearch,Shepard1212/elasticsearch,snikch/elasticsearch,ivansun1010/elasticsearch