(repository-facade): Creating a repository-facade class, that can aggregate several interface repositories. Currently this only implements the op:lookup_id method.
(repository-facade): Creating a repository-facade class, that can
aggregate several interface repositories. Currently this only
implements the op:lookup_id method.

(*internal-interface-repository*): containing an instance of
repository-facade. This should provide a way to search various local
interface repositories, like the idef repository and those created by
loading idl files.

(get-ns): cache the narrowing, and try narrowing to CosNamingExt
first.

hpan-open/feldspar-dnet-corba