Beta implementation of hazelcast-hibernate module for Hibernate 4.0.

###Usage:

For distributed mode;

<property name="hibernate.cache.region.factory_class">com.hazelcast.hibernate4.HazelcastCacheRegionFactory</property>

For invalidation mode;

<property name="hibernate.cache.region.factory_class">com.hazelcast.hibernate4.HazelcastLocalCacheRegionFactory</property>

Note: This module will be integrated into Hazelcast distribution in a later release.