Issue 1680 in mobicents: Improve MobicentsCluster: remove Fqn manipulation code and relly on cache utilities

[mobicents]

Status: Accepted
Owner: baranowb
CC: EMMartins
Labels: Type-Defect Priority-High Component-Cluster Roadmap-Fix  
Version-1.6.00 Release-Type-GA

New issue 1680 by baranowb: Improve MobicentsCluster: remove Fqn  
manipulation code and relly on cache utilities
http://code.google.com/p/mobicents/issues/detail?id=1680

As above:
 - remove String manipulation
 - use Fqn.xxxx and BuddyFqnTransformer.xxx methods