text: System.config({
      transpiler: 'typescript',
      typescriptOptions: {
          emitDecoratorMetadata: true,
          experimentalDecorators: true
      },
      map: {
          // our app is within the app folder
          'app': 'app',
          // angular bundles
          '@angular/core': 'node_modules/@angular/core/bundles/core.umd.js',
          '@angular/common': 'node_modules/@angular/common/bundles/common.umd.js',
          '@angular/platform-browser': 'node_modules/@angular/platform-browser/bundles/platform-browser.umd.js',
          '@angular/platform-browser-dynamic': 'node_modules/@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
          '@angular/compiler': 'node_modules/@angular/compiler/bundles/compiler.umd.js',
          '@angular/router': 'node_modules/@angular/router/bundles/router.umd.js',
          // other libraries
          'rxjs': 'node_modules/rxjs',
          'angular2-in-memory-web-api': 'node_modules/angular2-in-memory-web-api'
      },
      // packages tells the System loader how to load when no filename and/or no extension
      packages: {
          app: {
              defaultExtension: 'ts'
          },
          demo: {
              main: './main.ts',
              defaultExtension: 'ts'
          },
          rxjs: {
              defaultExtension: 'js'
          },
          'angular2-in-memory-web-api': {
              main: './index.js',
              defaultExtension: 'js'
          }
      }
  });