QPID-5946 : [Java Broker] Add ability to parse PKCS#1 format private keys and improve the presentation of keys stores on the broker tab in the HTTP management UI

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1615462 13f79535-47bb-0310-9956-ffa450edef68
QPID-5957 , QPID-5958 : [Java Broker] Add new methods to mock objects so the build compiles

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1615464 13f79535-47bb-0310-9956-ffa450edef68