[CXF-5766] - Caching nonces to disk may not work if the service QName is too long

Conflicts:
	rt/ws/security/src/main/java/org/apache/cxf/ws/security/wss4j/WSS4JUtils.java

Conflicts:
	rt/ws/security/src/main/java/org/apache/cxf/ws/security/wss4j/WSS4JUtils.java
Fix for CXF-5766 on 2.7.x

Conflicts:
	rt/ws/security/src/main/java/org/apache/cxf/ws/security/policy/interceptors/NegotiationUtils.java
Recording .gitmergeinfo Changes
Fixes on 2.6.x