Set download-manager and fs-extra as dependencies

Author: piranna

package.json

@@ -50,11 +50,11 @@
   "author": "Jesús Leganés Combarro 'piranna' <piranna@gmail.com>",
   "license": "MIT",
   "dependencies": {
+    "download-manager": "^0.0.20",
+    "fs-extra": "^0.30.0",
     "prebuild-install": "1.0.2"
   },
   "devDependencies": {
-    "download-manager": "^0.0.20",
-    "fs-extra": "^0.30.0",
     "prebuild": "^4.2.2"
   },
   "main": "index.js",