Properly parse error message when changing cluster version with cluster.sh
Properly parse error message when changing cluster version with cluster.sh

tkountis/hazelcast,mdogan/hazelcast,Donnerbart/hazelcast,Donnerbart/hazelcast,dbrimley/hazelcast,dbrimley/hazelcast,juanavelez/hazelcast,emre-aydin/hazelcast,mesutcelik/hazelcast,mdogan/hazelcast,dsukhoroslov/hazelcast,dbrimley/hazelcast,tkountis/hazelcast,emre-aydin/hazelcast,mesutcelik/hazelcast,mdogan/hazelcast,tufangorel/hazelcast,tufangorel/hazelcast,emre-aydin/hazelcast,tufangorel/hazelcast,Donnerbart/hazelcast,tkountis/hazelcast,juanavelez/hazelcast,dsukhoroslov/hazelcast,mesutcelik/hazelcast