message: Added missing qr code dependency to package lock
diff: "colors": {
  "version": "1.1.2",
  "resolved": "https://registry.npmjs.org/colors/-/colors-1.1.2.tgz",
  - "integrity": "sha1-FopHAXVran9RoSzgyXv6KMCE7WM=",
  - "dev": true
  + "integrity": "sha1-FopHAXVran9RoSzgyXv6KMCE7WM="
  },
  "combined-stream": {
  "version": "1.0.5",
  "integrity": "sha1-tYNXOScM/ias9jIJn97SoH8gnl4=",
  "dev": true
  },
  + "dijkstrajs": {
  + "version": "1.0.1",
  + "resolved": "https://registry.npmjs.org/dijkstrajs/-/dijkstrajs-1.0.1.tgz",
  + "integrity": "sha1-082BIh4+pAdCz83lVtTpnpjdxxs="
  + },
  "doctrine": {
  "version": "2.0.0",
  "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-2.0.0.tgz",
  "integrity": "sha1-0aIUg/0iu0HlihL6NCGCMUCJfEU=",
  "dev": true
  },
  + "pngjs": {
  + "version": "2.3.1",
  + "resolved": "https://registry.npmjs.org/pngjs/-/pngjs-2.3.1.tgz",
  + "integrity": "sha1-EdHhK5y2TWPjDBQ6Mw9MH1Z9qF8="
  + },
  "pngquant-bin": {
  "version": "3.1.1",
  "resolved": "https://registry.npmjs.org/pngquant-bin/-/pngquant-bin-3.1.1.tgz",
  "integrity": "sha1-3QG6ydBtMObyGa7LglPunr3DCPE=",
  "dev": true
  },
  + "qrcode": {
  + "version": "0.8.2",
  + "resolved": "https://registry.npmjs.org/qrcode/-/qrcode-0.8.2.tgz",
  + "integrity": "sha1-SktN10rkO3sF1MxZi63BwDg3GJw=",
  + "dependencies": {
  + "isarray": {
  + "version": "2.0.2",
  + "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.2.tgz",
  + "integrity": "sha512-DKCXsIpN+352zm3Sd75dY9HyaIcxU6grh118GhTPXc85jJ5nEGKOsPQOwSuE7aRd+XVRcC/Em6W44onQEQ9RBg=="
  + }
  + }
  + },
  "qs": {
  "version": "6.4.0",
  "resolved": "https://registry.npmjs.org/qs/-/qs-6.4.0.tgz",
  