Add a copy consructor

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1535091 13f79535-47bb-0310-9956-ffa450edef68
Add some NPE guards

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1535092 13f79535-47bb-0310-9956-ffa450edef68
If something on the ws-discovery network throws a fault, ignore and continue getting the probematches responses

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1535093 13f79535-47bb-0310-9956-ffa450edef68