[JBEE-126] JMS 2.0 API

* update javax.jms API to 2.0
* update Maven GAV to produce artifacts for

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

* update title and version to reference JSR-343 & version 2.0 of the
  API for the OSGi bundler manifest
Merge pull request #2 from jmesnil/JBEE-126_JMS_2.0_spec

[JBEE-126] JMS 2.0 API