rename this.options to this.lightRaysNodeOptions, cherry pick options, https://github.com/phetsims/scenery-phet/issues/313
rename this.options to this.lightRaysNodeOptions, cherry pick options, https://github.com/phetsims/scenery-phet/issues/313

phetsims/scenery-phet,phetsims/scenery-phet,phetsims/scenery-phet