With the upgrade to OSGi 4.3, PackageAdmin has been replaced with the OSGi BundleWiring/
FrameworkWiring. As Package Admin is now deprecated it would be good to move over to BundleWiring
in an upcoming release. References to Package Admin appear to be in the war extender
and Pax Web API.
Date: 2013-03-12 (Tue, 12 Mar 2013)
Not all appearances of the PackageAdmin could be removed due to the fact that the xbean finder module does need it