Issue 84 in sipservlets: Document Keepalive NAT

[sipservlets]

Status: Accepted
Owner: jean.deruelle
Labels: Type-Defect Priority-Medium Component-Sip-Servlets  
TelScale-6.1.1.GA Roadmap-Fix Component-Docs

New issue 84 by jean.deruelle: Document Keepalive NAT
http://code.google.com/p/sipservlets/issues/detail?id=84

Document https://code.google.com/p/mobicents/issues/detail?id=2254 and host  
or bundle the jain-sip-ha, jain-sip-ext + sip-servlets-client javadocs with  
release