introduce getBiggestRevisionForEtcdOperator
introduce getBiggestRevisionForEtcdOperator

for calculating the biggest revision among replicas of the most recently successful deployment

jsafrane/origin,openshift/origin,csrwng/origin,akram/origin,mfojtik/origin,akram/origin,mfojtik/origin,bparees/origin,soltysh/origin,deads2k/origin,mahak/origin,openshift/origin,soltysh/origin,mahak/origin,hroyrh/origin,bparees/origin,csrwng/origin,mfojtik/origin,soltysh/origin,jsafrane/origin,sallyom/origin,hroyrh/origin,jsafrane/origin,deads2k/origin,openshift/origin,csrwng/origin,akram/origin,sallyom/origin,sallyom/origin,hroyrh/origin,bparees/origin,mahak/origin,deads2k/origin