Pull across some frontend conventions from the
middleman-skeleton:

* Inlined version JS partial, with the domready/
  domready-legacy scripts vendored.
* Instructions for where to place JS (head/body).
* Easire meta tag support using <https://github.com/kpumuk/meta-tags>
Merge pull request #27 from icelab/frontend-conventions

Pull across some frontend conventions from the middleman-skeleton