Change the "serve" script to disable cache.

Without "no-cache" the client will not request any changed files for 1 hour.
Change to include traceur and import ES6 module.

Include traceur in case developers want to on-the-fly compile ES6 code in the browser.
A simple module is now included in the template, load it in.
Add charset meta tag.
Add a title tag.

Add a title tag that includes the package name.