ISPN-263 Handle cluster partitions

https://issues.jboss.org/browse/ISPN-263
A good starting point is the documentation commit which describes the implemented functionality.
Most of the code is around playing with state transfer so dan's input is important :-)
I think any warnings should be in `PartitionHandlingConfigurationBuilder.validate()`. I'd also create a separate factory class, I would expect `EmptyConstructorNamedCacheFactory` to just create an instance without any logic.