JBTM-1365. RTS subsystem
JBEE-132 Update jboss-jta-api_spec to version 1.2
WFLY-520 JSR-907 JTA 1.2 Support
WFLY-1367 4 version numbers exist for Narayana in pom.xml, despite only needing 1
JBTM-1365. Missing copyrights added to the RTS subsystem integration test files