Document different approaches for working with cache statistics for local cache and remote cache (HotRod)

The documentation for Infinispan should mention different approaches for accessing remote cache (HotRod) and local (default) cache statistics. For example, there is not "evictions" statistics for remote cache. Maybe it would be enough to just mention different classes that hold these statistics (Stats and RemoteStatistics) and the way of getting them.

It should be mentioned most likely somewhere under http://community.jboss.org/wiki/infinispan