Added polyfill for systemjs.
<img src="./generated/icon-sprite.svg" style="display:none">
<!--
--->
<script src="./node_modules/undo.js/undo.js"></script>
<script src="./node_modules/rangy/lib/rangy-core.js"></script>
<script src="./node_modules/medium.js/medium.js"></script>
+-->
<script src="./scripts/jquery.10.2.js"></script>
<script src="./scripts/jquery.fs.scroller.min.js"></script>
<script src="./jspm_packages/system.js"></script>
+<script src="./jspm_packages/system-polyfills.js"></script>
<script src="./jspm_config.js"></script>
<!--
