Add 5.3.1 to bwc versions
Add 5.3.1 to bwc versions

nezirus/elasticsearch,qwerty4030/elasticsearch,shreejay/elasticsearch,nezirus/elasticsearch,coding0011/elasticsearch,uschindler/elasticsearch,gingerwizard/elasticsearch,wangtuo/elasticsearch,naveenhooda2000/elasticsearch,jimczi/elasticsearch,ThiagoGarciaAlves/elasticsearch,wenpos/elasticsearch,sneivandt/elasticsearch,wenpos/elasticsearch,scottsom/elasticsearch,jimczi/elasticsearch,shreejay/elasticsearch,s1monw/elasticsearch,s1monw/elasticsearch,gfyoung/elasticsearch,gingerwizard/elasticsearch,LeoYao/elasticsearch,rajanm/elasticsearch,robin13/elasticsearch,ThiagoGarciaAlves/elasticsearch,masaruh/elasticsearch,coding0011/elasticsearch,LeoYao/elasticsearch,LeoYao/elasticsearch,markwalkom/elasticsearch,kalimatas/elasticsearch,lks21c/elasticsearch,mjason3/elasticsearch,pozhidaevak/elasticsearch,alexshadow007/elasticsearch,Stacey-Gammon/elasticsearch,nezirus/elasticsearch,alexshadow007/elasticsearch,mohit/elasticsearch,maddin2016/elasticsearch,naveenhooda2000/elasticsearch,Stacey-Gammon/elasticsearch,gingerwizard/elasticsearch,nknize/elasticsearch,uschindler/elasticsearch,scottsom/elasticsearch,markwalkom/elasticsearch,pozhidaevak/elasticsearch,rajanm/elasticsearch,lks21c/elasticsearch,winstonewert/elasticsearch,winstonewert/elasticsearch,lks21c/elasticsearch,alexshadow007/elasticsearch,qwerty4030/elasticsearch,sneivandt/elasticsearch,umeshdangat/elasticsearch,winstonewert/elasticsearch,alexshadow007/elasticsearch,nknize/elasticsearch,gingerwizard/elasticsearch,LeoYao/elasticsearch,scorpionvicky/elasticsearch,mjason3/elasticsearch,scottsom/elasticsearch,rajanm/elasticsearch,fred84/elasticsearch,shreejay/elasticsearch,jimczi/elasticsearch,wenpos/elasticsearch,masaruh/elasticsearch,robin13/elasticsearch,vroyer/elasticassandra,qwerty4030/elasticsearch,winstonewert/elasticsearch,umeshdangat/elasticsearch,gfyoung/elasticsearch,scottsom/elasticsearch,kalimatas/elasticsearch,coding0011/elasticsearch,fred84/elasticsearch,robin13/elasticsearch,mjason3/elasticsearch,qwerty4030/elasticsearch,scorpionvicky/elasticsearch,mohit/elasticsearch,LeoYao/elasticsearch,vroyer/elassandra,uschindler/elasticsearch,LeoYao/elasticsearch,nezirus/elasticsearch,masaruh/elasticsearch,vroyer/elasticassandra,HonzaKral/elasticsearch,brandonkearby/elasticsearch,umeshdangat/elasticsearch,brandonkearby/elasticsearch,maddin2016/elasticsearch,GlenRSmith/elasticsearch,naveenhooda2000/elasticsearch,ThiagoGarciaAlves/elasticsearch,GlenRSmith/elasticsearch,fred84/elasticsearch,Stacey-Gammon/elasticsearch,wangtuo/elasticsearch,robin13/elasticsearch,strapdata/elassandra,rajanm/elasticsearch,pozhidaevak/elasticsearch,robin13/elasticsearch,HonzaKral/elasticsearch,HonzaKral/elasticsearch,scorpionvicky/elasticsearch,scorpionvicky/elasticsearch,vroyer/elassandra,naveenhooda2000/elasticsearch,s1monw/elasticsearch,wenpos/elasticsearch,umeshdangat/elasticsearch,scottsom/elasticsearch,wenpos/elasticsearch,brandonkearby/elasticsearch,nknize/elasticsearch,umeshdangat/elasticsearch,masaruh/elasticsearch,markwalkom/elasticsearch,mjason3/elasticsearch,scorpionvicky/elasticsearch,jimczi/elasticsearch,Stacey-Gammon/elasticsearch,wangtuo/elasticsearch,wangtuo/elasticsearch,GlenRSmith/elasticsearch,qwerty4030/elasticsearch,gingerwizard/elasticsearch,coding0011/elasticsearch,pozhidaevak/elasticsearch,kalimatas/elasticsearch,GlenRSmith/elasticsearch,gfyoung/elasticsearch,masaruh/elasticsearch,strapdata/elassandra,coding0011/elasticsearch,vroyer/elasticassandra,maddin2016/elasticsearch,Stacey-Gammon/elasticsearch,rajanm/elasticsearch,brandonkearby/elasticsearch,wangtuo/elasticsearch,lks21c/elasticsearch,GlenRSmith/elasticsearch,mjason3/elasticsearch,gingerwizard/elasticsearch,strapdata/elassandra,fred84/elasticsearch,naveenhooda2000/elasticsearch,vroyer/elassandra,s1monw/elasticsearch,s1monw/elasticsearch,gfyoung/elasticsearch,ThiagoGarciaAlves/elasticsearch,mohit/elasticsearch,strapdata/elassandra,maddin2016/elasticsearch,markwalkom/elasticsearch,jimczi/elasticsearch,rajanm/elasticsearch,nknize/elasticsearch,strapdata/elassandra,gingerwizard/elasticsearch,alexshadow007/elasticsearch,mohit/elasticsearch,ThiagoGarciaAlves/elasticsearch,HonzaKral/elasticsearch,lks21c/elasticsearch,maddin2016/elasticsearch,uschindler/elasticsearch,brandonkearby/elasticsearch,pozhidaevak/elasticsearch,markwalkom/elasticsearch,sneivandt/elasticsearch,sneivandt/elasticsearch,winstonewert/elasticsearch,uschindler/elasticsearch,ThiagoGarciaAlves/elasticsearch,nezirus/elasticsearch,kalimatas/elasticsearch,gfyoung/elasticsearch,fred84/elasticsearch,mohit/elasticsearch,shreejay/elasticsearch,LeoYao/elasticsearch,shreejay/elasticsearch,sneivandt/elasticsearch,markwalkom/elasticsearch,nknize/elasticsearch,kalimatas/elasticsearch