downgrade electron, 1.4 kept freezing

Author: zaggino

package.json

@@ -81,7 +81,7 @@
         "@types/ws": "0.0.32",
         "concurrently": "2.2.0",
         "cross-spawn": "4.0.0",
-        "electron": "1.4.1",
+        "electron": "1.3.7",
         "electron-builder": "6.7.6",
         "electron-packager": "8.0.0",
         "electron-rebuild": "1.2.1",