load( sources, opts, emitter ) {
    return sources.map( function(src) {
      return this.loadOne( src, opts, emitter );
    }
    , this);
  }
Load one or more resumes from disk.

  @param {Object} opts An options object with settings for the factory as well
  as passthrough settings for FRESHResume or JRSResume. Structure:

      {
        format: 'FRESH',    // Format to open as. ('FRESH', 'JRS', null)
        objectify: true,    // FRESH/JRSResume or raw JSON?
        inner: {            // Passthru options for FRESH/JRSResume
          sort: false
        }
      }