* Remove all migrations
 - Migrations were using grunt-mongo-migrations package,
   which depends on the now-deprecated fibers package.
   Migrations were specific to Chicago anyway
* Upgrade all packages using npm-check-updates
* Remove requests package
 - Deprecated. Just using node's http library
   now
* Handle changes in mongoose package (use promises instead
  of callbacks)

* Mapbox API key seems stale. Hoping to migrate
  to all open mapping data to remove need for
  API keys

* Nominatim is free and uses OpenStreetMap data. Their
  use policy says as long as you have < 1 req/s you
  can use their public API. If usage were high it can
  be self-hosted. This gets rid of dependency
  on Google geocode API

* Commit 6ff1def attempted to upgrade the node
  and mongoose version, but left some issues behind
* Mongoose library now uses promises, not callbacks. You
  must call .then() for actions like .save() to actually
  do anything

* Dependency on mailchimp not desired here. Other
  forks could add an email list if they want

* Begin to make the Chicago portions of the project
  generic, to allow custom messages and configuration

* In an effort to make this generic for any city,
  move all references to 'chicago' to configurations,
  and move all static information to config folder
* TODO: Decide how to handle wards - consider reworking
  with a more generic name, such as "district"? Need to
  remove Chicago references from wards page

* Wards are a nice feature for Chicago, but Chicago
  has uniquely powerful aldermen. Also, the scripting
  required to maintain the ward functionality is a bit
  tedious

* `npm test` does hang now, but at least the tests
  pass

* Now the map will load in the right spot depending
  on config

* If multiple address matches were found, the wrong property
  names were being used for lat/lon and full address name
* I was filtering out things marked as 'place' on OpenStreetMap,
  which apparently includes some apartment buildings. For now,
  use 'place' and 'building'

- Node doesn't have a DockerHub image for
  darwin, so just don't build for it for now

Update to new url