Merge pull request #8 from stianst/master

Use 'org.picketlink.as.extension' module if not using custom entity-module. Updated to PL 3.0.0.Beta2. Allow 'java:' in datasourceName
Integration tests are enough.
Integration tests are enough.
No need to provide the data-source when using providing a module with the configuration.
Fix NPE in PicketLinkCoreDeploymentProcessor when deploying EAR