Use synchronized Wildfly shutdown
Use synchronized Wildfly shutdown

We need to use the variant of shutdown that blocks until the connection
to Wildfly is closed or we can get spurious build failures.

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