automatically load AADL files on demand.

	  For all packages "A::B::C" that are withed, add the file
	  a-b-c.aadl to the list of files to be parsed.



git-svn-id: https://tecsw.estec.esa.int/svn/taste/trunk/ocarina@1373 129961e7-ef38-4bb5-a8f7-c9a525a55882