Update JMS API to 2.0

* update Maven GAV to

  org.jboss.spec.javax.jms:org.jboss.spec.javax.jms:1.0.0.Alpha1-SNAPSHOT

* add methods that throws UnsupportedOperationException
* no new interfaces implemented
tenative implemenation of injection for JMSContext
implementing JMS 2.0 methods
hornetq-jms-client: compile with java7 && fix HQ main version.
delete hornetq-jms-cdi
HORNETQ-1209 Add bodies to ConnectionFactory.createContext(*)
clean jms test
[HORNETQ-1213] JMS 2.0 MDB activation properties

* add destinationLookup property to HornetQActivationSpec
  (backed by destination field + useJNDI set to true)
* add connectionFactoryLookup property to HornetQActivationSpec
  to look up the JMS ConnectionFactory from JNDI
Fix maven warnings about overriding Netty's version.
HQ to require Java7.
jms2/java7: fix method override
HORNETQ-1209 Fix Message.receiveBody* implementations.
HORNETQ-1209 Implement Message.isBodyAssignableTo(Class) and getBody(Class)