[WLFY-509] JMS 2.0 API support

* update maven GAV for JMS API to:

  org.jboss.spec.javax.jms:jboss-jms-api_2.0_spec:1.0.0.Alpha1-SNAPSHOT

* exclude the JMS 1.1 spec artifact from
  org.jboss.ws.cxf:jbossws-cxf-server dependencies
[WFLY-509] JMS 2.0 API support

add SimplifiedJMSClientTestCase test for new JMS 2 simplified API using
an injected JMSContext (@Ignore until injection works)
[WFLY-509] JMS 2.0 API support

* add CDIExtensionProcessor to be able to support injection of HornetQ's
  JMSContext