Update version in example

Author: gpahal

examples/simple/package.json

@@ -1,7 +1,7 @@
 {
   "name": "simple",
   "dependencies": {
-    "dgraph-js": "^1.0.3",
+    "dgraph-js": "^1.1.0",
     "grpc": "^1.8.4"
   }
 }