Update Issue 272

backporting to master branch Fix + non regression test
(cherry picked from commit 2462825694d9649827096495074e5b3364ddfca7)

Conflicts:

	sip-servlets-test-suite/testsuite/src/test/java/org/mobicents/servlet/sip/testsuite/TestSipListener.java
(cherry picked from commit 79a4e83f6e8ca25421dc59710bbee01fb9f93536)
Update Issue 273

Backport to master branch Fix + non regression test
(cherry picked from commit 9fa62f9b55cbc1d183ae191470190b398385fa70)

Conflicts:

	sip-servlets-impl/src/main/java/org/mobicents/servlet/sip/proxy/ProxyUtils.java
	sip-servlets-test-suite/testsuite/src/test/java/org/mobicents/servlet/sip/testsuite/proxy/ProxyRecordRoutingTest.java
(cherry picked from commit 69a5c21142aeea2fde09356abf03d0272f586d4d)

Conflicts:

	sip-servlets-application-router/src/main/java/org/mobicents/servlet/sip/router/DefaultApplicationRouter.java
Update Issue 274

Backport to master : Fix + non regression test
(cherry picked from commit 82213995c33eccd88fc7bafdf516204ed2363d54)
(cherry picked from commit dae83f9800342e56db33bfdb0d6115a7d21cdd8e)
Update Issue 275

Backport to master : Fix + non regression test
(cherry picked from commit e3f6258d925a356127674214821a2e42a0d945c9)

Conflicts:

	sip-servlets-test-suite/testsuite/src/test/java/org/mobicents/servlet/sip/testsuite/TestSipListener.java
(cherry picked from commit 98c59359c018ce2dcf30a1794793a13a902ff64a)

Conflicts:

	sip-servlets-test-suite/testsuite/src/test/java/org/mobicents/servlet/sip/testsuite/TestSipListener.java
Update Issue 272

Backport to master : fixing NPE regression + test case
(cherry picked from commit c3fc52d4e25e2e7e5743a85f3ac97cb6118b6e88)
(cherry picked from commit e6cc5a078ecb1b0ff2bf2178066a706e3e86583c)
Update Issue 276

Backport to master : Fix + non regression tests
(cherry picked from commit 3b6ac5c0040c2140442dc3da988e41782f821434)

Conflicts:

	sip-servlets-impl/src/main/java/org/mobicents/servlet/sip/proxy/ProxyImpl.java
(cherry picked from commit 820735639c885348064bf60b161c781c4e4bcb9c)
Backport fixes
moving to latest parent
Update Issue 276

fix for TCK failing tests
(cherry picked from commit 52a4c8d34921a707f3ddadd4fd37d1be9d3908ab)
Update Issue 277

Backport to master : moving some code around so apps starting fast can get the needed objects to initialize correctly
(cherry picked from commit 242d34e9a72adc6eb4b4dba72bcb1073d004193c)