Initial server commit

♬  hapi-ness is a warm, yes it is, gu-u-u-u-nn ♪ ♫

@nchapman r?
Here's the code (`npm run contributors` via /package.json) we use on [mozilla/fxa-content-server](https://github.com/mozilla/fxa-content-server/issues/1981) to generate the contributors file.

```sh
git shortlog -s | cut -c8- | sort -f > CONTRIBUTORS.txt
```