[AS7-6694] Fix RemoteConnectionFactory for HA profiles

add a HA-REMOTE-CONNECTION-FACTORY placeholder in messaging
subsystem configuration to set HA related attributes that allows clients
using this connection factory to failover to backup.
AS7-6691 SingletonService.getValue() throws NPE if not started
Fix up the EjbMessages commit
Remove 7.0.x preview shipped configuration testing
[AS7-6693] Integrate R5 Core Framework
make building instructions prefer prepared build script
AS7-6561 EJB 3.2 support - Add support for disabling passivation of @Stateful beans as allowed by EJB 3.2 spec