Problem: how do we interact with the PKP Plugin Gallery outside of the UI? The correct way to approach this is to abstract the plugin gallery operations into a service class which would be reusable across the UI and the CLI, but we're not there yet. Instead, let's cheat.
https://github.com/pkp/pkp-lib/blob/stable-3_3_0/tools/plugins.php
This provides a new utility with minimal options: