Allow people to run things on first checkout

Also tweak npm package to make the coordinator available.
include sample coordinator.js in npm distribution

Even though the coordinator.js is intended for demo/sample purposes
only, it's still useful to include it in the npm distributed sources.

This makes available in the npm distribution so people can use
./node_modules/hakken/coordinator.js if they are really desparate and
can't be bothered to write their own.
Merge pull request #2 from tidepool-org/system/integrate

Allow people to run things on first checkout