Review Code: Modify npm run clean-install script

Author: retiutut

package.json

@@ -26,7 +26,7 @@
   "scripts": {
     "postinstall": "node ./node_modules/electron-builder/out/install-app-deps.js",
     "build": "gulp build",
-    "clean-install": "cd app && git clean -fx && rm -rf node_modules && npm install",
+    "clean-install": "cd app && rm -rf node_modules && git clean -fX && npm install",
     "prerelease": "gulp build --env=production",
     "release": "build --publish never",
     "release-win32": "build --ia32 --publish never",