LoadModelFromUrlList (modelUrls)
    {
        TransformFileHostUrls (modelUrls);
        let inputFiles = InputFilesFromUrls (modelUrls);
        this.LoadModelFromInputFiles (inputFiles);
    }
Loads the model based on a list of urls. The list must contain the main model file and all
of the referenced files. For example in case of an obj file the list must contain the
corresponding mtl and texture files, too.
@param {string[]} modelUrls Url list of model files.