Divide Config.js into modules

[sdetweil]

@artieikon u can get files from the filesystem without special config settings just setup an express url handler in the node helper. See the MMM-ImagesPhotos module for an example use.

Node_helper sets up the express url handler, module does a request to that url, and handler gets invoked, and files are found and their names are returned. The a url request is made for a file and it’s contents are returned.

Module doesn’t know helper provided the files list or data