Actually restore lost Node#start no-op check
Actually restore lost Node#start no-op check

This commit really reverts the inadvertent removal of allowing duplicate
calls to Node#start to be a no-op (but was mistakenly restored to
Node#stop in ddfa3a661510f25c2ce431dfd6fb86ac11eb8888).

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