Some fixes when not using a KeyName for symmetric encryption


Conflicts:
	ws-security-dom/src/main/java/org/apache/wss4j/dom/handler/WSHandler.java
	ws-security-dom/src/main/java/org/apache/wss4j/dom/processor/X509Util.java

git-svn-id: https://svn.apache.org/repos/asf/webservices/wss4j/trunk@1455989 13f79535-47bb-0310-9956-ffa450edef68