Angular 2 - 404 traceur not found
<p>I've followed the starting guide and expanded a little upon for a previous angular 2 version. I've updated my revision and changed everything accordingly.
When I am running the web server I now receive the error 404 for traceur...
<a href="https://i.stack.imgur.com/hHyvT.png"><img src="https://i.stack.imgur.com/hHyvT.png" alt="Error 404 for traceur"></a></p>

<p>Here is my project structure: 
<a href="https://i.stack.imgur.com/PoHLC.png"><img src="https://i.stack.imgur.com/PoHLC.png" alt="Project structure"></a></p>

<p>Relevant files : </p>

<p>Index.html:</p>

<pre><code>    &lt;html&gt;
&lt;head&gt;
    &lt;title&gt;Kinepolis HR-tool&lt;/title&gt;

    &lt;base href="./"&gt;

    &lt;meta charset="utf-8"&gt;
    &lt;meta http-equiv="X-UA-Compatible" content="IE=edge"&gt;
    &lt;meta name="viewport" content="width=device-width, initial-scale=1"&gt;
    &lt;meta name="description" content="Kinepolis HR tool"&gt;
    &lt;meta name="author" content="Jeffrey Devloo!"&gt;

    &lt;link rel="stylesheet" type="text/css" href="assets/css/bootstrap.min.css" /&gt;
    &lt;!-- CSS for PrimeUI --&gt;

    &lt;!-- 1. Load libraries --&gt;
    &lt;!-- Polyfill(s) for older browsers --&gt;
    &lt;script src="node_modules/es6-shim/es6-shim.min.js"&gt;&lt;/script&gt;

    &lt;script src="node_modules/zone.js/dist/zone.js"&gt;&lt;/script&gt;
    &lt;script src="node_modules/reflect-metadata/Reflect.js"&gt;&lt;/script&gt;
    &lt;script src="node_modules/systemjs/dist/system.src.js"&gt;&lt;/script&gt;

    &lt;!-- 2. Configure SystemJS --&gt;
    &lt;script src="systemjs.config.js"&gt;&lt;/script&gt;
    &lt;script&gt;
        System.import('app').catch(function(err){ console.error(err);  });
    &lt;/script&gt;
&lt;/head&gt;

&lt;!-- 3. Display the application --&gt;
&lt;body&gt;
&lt;my-app&gt;Loading...&lt;/my-app&gt;
&lt;/body&gt;

&lt;/html&gt;
</code></pre>

<p>systemjs.config.js</p>

<pre><code>(function(global) {

    // map tells the System loader where to look for things
    var map = {
        'app':                        'app', // 'dist',
        'rxjs':                       'node_modules/rxjs',
        'angular2-in-memory-web-api': 'node_modules/angular2-in-memory-web-api',
        '@angular':                   'node_modules/@angular',
    };

    // packages tells the System loader how to load when no filename and/or no extension
    var packages = {
        'app':                        { main: 'main.js',  defaultExtension: 'js' },
        'rxjs':                       { defaultExtension: 'js' },
        'angular2-in-memory-web-api': { defaultExtension: 'js' },
    };

    var packageNames = [
        '@angular/common',
        '@angular/compiler',
        '@angular/core',
        '@angular/http',
        '@angular/platform-browser',
        '@angular/platform-browser-dynamic',
        '@angular/router',
        '@angular/router-deprecated',
        '@angular/testing',
        '@angular/upgrade',
    ];

    // add package entries for angular packages in the form '@angular/common': { main: 'index.js', defaultExtension: 'js' }
    packageNames.forEach(function(pkgName) {
        packages[pkgName] = { main: 'index.js', defaultExtension: 'js' };
    });

    var config = {
        map: map,
        packages: packages
    }

    // filterSystemConfig - index.html's chance to modify config before we register it.
    if (global.filterSystemConfig) { global.filterSystemConfig(config); }

    System.config(config);

})(this);
</code></pre>

<p>tsconfig.json</p>

<pre><code>    {
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": false
  },
  "exclude": [
    "node_modules",
    "typings/main",
    "typings/main.d.ts"
  ]
}
</code></pre>

<p>A possible issue could be <a href="https://i.stack.imgur.com/4zFPw.png"><img src="https://i.stack.imgur.com/4zFPw.png" alt="enter image description here"></a> this is boycotting my progress.</p>