[fix] Set jocker as dependency

Author: piranna

package.json

@@ -23,16 +23,13 @@
   "dependencies": {
     "async": "^2.5.0",
     "exclfs": "^0.0.5",
+    "jocker": "^0.0.1",
     "linux-cmdline": "^1.0.0",
     "mkdirp": "^0.5.1",
     "nodeos-boot-singleUser": "^0.5.1",
     "nodeos-boot-singleUserMount": "^0.5.1",
     "nodeos-mount-utils": "^0.2.0",
     "prompt": "^1.0.0",
     "rimraf": "^2.6.1"
-  },
-  "devDependencies": {
-    "jocker": "^0.0.1",
-    "prompt": "^1.0.0"
   }
 }