Restructured library.

lib/3rdparty/systemjs/babel-helpers/instanceof.js

@@ -0,0 +1,7 @@
+export default (function (left, right) {
+  if (right != null && typeof Symbol !== "undefined" && right[Symbol.hasInstance]) {
+    return right[Symbol.hasInstance](left);
+  } else {
+    return left instanceof right;
+  }
+});