Allows you to build migrations which have a list of files from a directory as a source.

Say you have a directory with a ton of files in it in different subdirectories and don't feel like writing out a giant array for the "url" source plugin from migrate_plus.

The "urllist" plugin will let you point at a directory and it will scoop up all those files for you to use in your migration source.

Depends on migrate and migrate_plus.

To migrate a list of xml files from a directory use the following: