message: correct Google Play Edition dates
  From IO13 in may till mid January 2015
diff: "type": "service"
  },
  {
  - "dateClose": "2015-01-01",
  - "dateOpen": "2014-05-01",
  + "dateClose": "2015-01-18",
  + "dateOpen": "2013-05-15",
  "description": "Google Play Edition devices were a series of Android smartphones and tablets sold by Google.",
  "link": "https://arstechnica.com/gadgets/2015/01/dont-cry-for-the-google-play-edition-program-it-was-already-dead/",
  "name": "Google Play Edition",
  