HTML docs with grunt task to also push to gh-pages

- [x] @attamusc

You can check out the result at: http://mrjoelkemp.github.io/BeFF/index.html

The most descriptive page is: http://mrjoelkemp.github.io/BeFF/module-Container.html

We may need to tweak the `gh-pages` task config depending on who is calling that task.