Adding better error reporting and adding hibernate as dependency to
module.
Removing unnecessary 'netty' xml element.
Chaning factoryClass to factory-class and minor refactoring.
Adding a dependency to the JPA service.
Updated to Netty 4.0.5.Final-SNAPSHOT
Build cleanup.
Adding a datasources attribute to the subsystem.

This will be added as a service dependency to the subsystem if
specified.
Fixing the name of factoryClass which has changed to factory-class
Removing references to SimplePush from configuration examples as this
can be confusing.