rfigueroa

@oeuillot master branch is broken since es6 merge

I'm still getting this error when running from master `AssertionError: Invalid url parameter at ContentDirectoryService.getContentProvider (/.../upnpserver/lib/contentDirectoryService.js:1458:12) at AF_Metas.initialize (/.../upnpserver/lib/contentHandlers/af_metas.js:32:52)`

It is working now, basePath in af_metas was the problem

can you provide some info into were basePath is supposed to point ? it is not on the configuration documentation and I don't have it as a env variable `this.basePath...