GTNPC-86: Add a new phase in portlet container managed life cycle
GTNPC-104: Restore creation of maven artifacts for portlet samples.
GTNPC-103: PortletSession.getAttributeMap(APPLICATION_SCOPE) is returning null valued map
Improve logging for test suite
GTNPC-82 : Potential concurency issues in FederatingPortletInvokerService and ContainerPortletInvoker
GTNPC-100: PortalContext.VERSION needs to be updated for each release
GTNPC-105 Calling PortletApplicationDeployer.removeListener() attempts to add the listener instead.