custom system.js loader

- disables ‘moduleId’ usage when building with webpack

demo-shell-ng2/config/loaders/system.js

@@ -0,0 +1,15 @@
+const moduleIdRegex = /moduleId: module.id,/g;
+
+module.exports = function(source) {
+    this.cacheable();
+
+    let result = source;
+    let modified = false;
+    if (moduleIdRegex.test(source)) {
+        result = source.replace(moduleIdRegex, (match) => {
+            return `// ${match}`;
+        });
+        // console.log(result);
+    }
+    return result;
+}