[CXF-4896] Performance optimization: avoid duplicated reflection usage to speed up creation of java-first endpoints


git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1456875 13f79535-47bb-0310-9956-ffa450edef68
Remove expired tokens from cache + always retrieve a new token for the Kerberos case

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1456876 13f79535-47bb-0310-9956-ffa450edef68