chore(package): update standard to version 7.0.0

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -43,7 +43,7 @@
   "devDependencies": {
     "electron-webrtc": "^0.2.0",
     "magnet-uri": "^5.1.3",
-    "standard": "^6.0.4",
+    "standard": "^7.0.0",
     "tape": "^4.0.0",
     "webtorrent-fixtures": "^1.3.0"
   },