removing outdated Mobicents License terms. It is now AGPL
(cherry picked from commit 0521b62d03df15315e0263b126f9e18c19dd256e)
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