Issue 180 in sipservlets: Upgrade to latest Tomcat

[sipservlets]

Status: Accepted
Owner: jean.deruelle
Labels: Type-Enhancement Priority-Medium Component-Sip-Servlets  
MSS-2.1.0.FINAL Roadmap-Issue TelScale-6.1.3.GA

New issue 180 by jean.deruelle: Upgrade to latest Tomcat
http://code.google.com/p/sipservlets/issues/detail?id=180

currently Tomcat 7.0.33