BOM stuff

* Improve `findbom.sh` a bit so it checks for UTF-16 and suppresses some output that we don't need to check like `./fakeS3` and `./node_modules`
* Removed the detected BOM at `./libs/stats.js`

Closes #494
Merge pull request #495 from Martii/fixBOM

BOM stuff

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Specify requested minimum preferred npm engine version

* Used as a reference point for working git urls on nodejitsu.
Merge pull request #496 from Martii/specifyPreferredNPMver

Specify requested minimum preferred npm engine version

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Update README.md

Fix node latest release shield image url
Clarify on GH importing in Docs
Merge pull request #498 from Martii/clarifyDocForGHImport

Clarify on GH importing in Docs

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