* New Hazelcast client factory and utilities:
- Hazelcast client factory with persistent client support.
- Read from and write to queues.
- Subscribe, publish to and unsubscribe from topics. Topic
subscriptions are revalidated after server's recovery from failure.
Merge remote-tracking branch 'origin/master'

Conflicts:
	servlet/src/ddth/dasp/common/hazelcast/HazelcastClientFactory.java