Mapper attachments plugin name is incorrect
Mapper attachments plugin name is incorrect

It used to be `mapper-attachements` but it's now `elasticsearch-mapper-attachments`.
We need to change it to `mapper-attachements`.

Closes #183.

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