add node modules to repo

node_modules/electron-packager/test/fixtures/electron-in-dependencies/package.json

@@ -0,0 +1,8 @@
+{
+  "main": "main.js",
+  "productName": "MainJS",
+  "description": "Removing electron from dependencies",
+  "dependencies": {
+    "electron": "1.3.1"
+  }
+}