Add cron-like scheduling to inject

package.json

@@ -14,7 +14,8 @@
     "express": "3.x",
     "mqtt": "*",
     "ws": "*",
-    "mustache": "*"
+    "mustache": "*",
+    "cron":"*"
   },
   "engines": { "node": ">=0.8" }
 }