added logging for activation of colocated backups
HORNETQ-1422 - use default cluster connection for auth

https://issues.jboss.org/browse/HORNETQ-1422

If the acceptor used to connect to by the cluster controller is not associated witha cluster connection we use the default and its security for authentication.
fixing examples

fixes configuration for new ha-policy configuration and slight tweak to the Shared Nothing Activation.
Merge pull request #1877 from andytaylor/master

example fix and other tweaks
HORNETQ-1411 - Make configuration classes fluent

Make our configuration classes fluent to enable easier integration
fix test interceptor to correctly ignore large message send
fix openwire test that might not call super.tearDown()
fix test that wasn't deleting large messages