add target to package pre-compiled modules into a distribution zip

Created originally on Bitbucket by Gregory O'Connor (g o)

Changesets for this Pull Request have not been imported, because it had been already declined on Bitbucket. Marked as closed by the import user.

goal is to build distribution zip including a set of modules. with new system - haven't seen a way that doesn't step over the core Makefiles - this seemed least intrusive. use a shell script to build the modules then 'make zipwithmodules' if there is already an easy way to do this and add to a script, please let me know