Merge pull request #2 from stianst/idm-tmp

Fix IdentityManagerProducer
Refactoring to the deployment processors.
Initial code for the IDM domal model.
Refactoring to the PicketLink Core deployments support.
Enabling PicketLink Core deployments to specify the EMF jndi url via web.xml. Added new test case for pl-core deployments only.
Load CDI extensions from core module