XX-11152: Setup Apache CXF framework

- setup junit tests; start jax-rs server with integration tests, use spring's rest template for testing
- tests need to run in jetty 8, this needs to be changed when apache cxf supports jetty 9
- REST API integration tests should extend RestApiIntegrationTestCase
Merge branch 'release-14.10' of github.com:SIPfoundry/sipxecs into release-14.10