feat(configure): restOptions param now has RestOptions type

src/config.js

@@ -1,6 +1,10 @@
import {HttpClient} from 'aurelia-fetch-client';
import {Rest} from './rest';

interface RestOptions {
  useTraditionalUriTemplates?: boolean;
}

/**
 * Config class. Configures and stores endpoints
 */
@@ -32,13 +36,13 @@ export class Config {
   * @param {string}          name              The name of the new endpoint.
   * @param {Function|string} [configureMethod] Endpoint url or configure method for client.configure().
   * @param {{}}              [defaults]        New defaults for the HttpClient
   * @param {{}}              [restOptions]     Options to pass when constructing the Rest instance.
   * @param {RestOptions}     [restOptions]     Options to pass when constructing the Rest instance.
   *
   * @see http://aurelia.io/docs.html#/aurelia/fetch-client/latest/doc/api/class/HttpClientConfiguration
   * @return {Config} this Fluent interface
   * @chainable
   */
  registerEndpoint(name: string, configureMethod?: string|Function, defaults?: {}, restOptions?: {useTraditionalUriTemplates?: boolean}): Config {
  registerEndpoint(name: string, configureMethod?: string|Function, defaults?: {}, restOptions?: RestOptions): Config {
    let newClient = new HttpClient();
    let useTraditionalUriTemplates;