bump drone stream to fixed version 1.1.1

package.json

@@ -21,7 +21,7 @@
     "express": "3.0.x",
     "ejs": "~0.8.3",
     "socket.io": "~0.9.4",
-    "dronestream": "1.1.0",
+    "dronestream": "1.1.1",
     "dateformat": "~1.0.6-1.2.3",
     "line-reader": "~0.2.3",
     "buffered-reader": "~1.0.1"