message: Pin moment.js library since 2.19.0 creates problem
  The 2.19.0 released today (2017-10-10) creates issues with the
  DateFilterControl somehow. Pining lib to latest known version.
diff: "jed": "^1.1.1",
  "jquery": "3.1.1",
  "lodash.throttle": "^4.1.1",
  - "moment": "^2.14.1",
  + "moment": "2.18.1",
  "mustache": "^2.2.1",
  "nvd3": "1.8.6",
  "po2json": "^0.4.5",
  