Merge pull request #1750 from webtorrent/greenkeeper/nodemon-2.0.0

Update nodemon to the latest version 🚀

package.json

@@ -59,7 +59,7 @@
     "electron-winstaller": "^4.0.0",
     "gh-release": "^3.5.0",
     "minimist": "^1.2.0",
-    "nodemon": "^1.19.4",
+    "nodemon": "^2.0.0",
     "open": "^7.0.0",
     "plist": "^3.0.1",
     "pngjs": "^3.4.0",