Update Issue 263

 Fix + non regression test

(cherry picked from commit 1e1422004d23e8df3c659697590d52c51f55a1bb)
(cherry picked from commit a1aef4a43d8acee64b588f7dc220044105e37eb0)

Conflicts:

	sip-servlets-test-suite/applications/proxy-sip-servlet/src/main/java/org/mobicents/servlet/sip/testsuite/ProxySipServlet.java
Fixing build issue with unresolved dep
(cherry picked from commit 32d168aa51cb61c74f465ade3829f458e6669e55)
MSS-103 #Resolved #Fixed
(cherry picked from commit e9483e071137b4593acfc99d1df016b33c910031)