Changes contributed by Chris Kampmeier (Sun) to enable building pkg(5) zip off the network. This resolve issue 4008.

Fix for 3907: Provide pkg(5) delivery This modification implements a factory to build a pkg(5) delivery (aka IPS multi-platform) for OpenDS. This factory adds the following targets: * package-pkg-make-image: build a pre-installed installation image * package-publish: publish OpenDS into an IPS repository The pre-installed installation image contains * OpenDS core runtime * OpenDS Directory Services Markup Language (DSML) Gateway as add-on