update documentation with release 2.6.0
update documentation with release 2.6.0

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