Declare and configure daemon modules in the repository

In addition to or instead of declaring a daemon module through the manifest, it should be possible to declare them in the repository. We already have /hippo:configuration/hippo:modules/ where module configuration lives.

We could make this modules folder orderable and start them in the configured order. Core modules might still use the manifest declaration method, and they are started first, but application modules might prefer the latter method. In addition, because this would effectively establish a canonical location for a module's configuration node, the repository can pass in those nodes during a (re-)configuration lifecycle phase automatically.