Updating docs of simple example (#91)

Author: prashant-shahi

examples/simple/README.md

@@ -9,7 +9,7 @@ for Dgraph.
 
 ### Start Dgraph server
 
-You will need to install [Dgraph v1.0.10 or above][releases] and run it.
+You will need to install [Dgraph v1.1.0 or above][releases] and run it.
 
 [releases]: https://github.com/dgraph-io/dgraph/releases
 
@@ -47,28 +47,22 @@ npm install
 
 ## Run the sample code
 
-For Node.js >= v7.6, run:
+For Node.js, run:
 
 ```sh
 node index.js
 ```
 
-For Node.js < v7.6 or if you don't want to use the async/await syntax, run:
-
-```sh
-node index-pre-v7.6.js
-```
-
 Your output should look something like this (uid values may be different):
 
 ```console
 Created person named "Alice" with uid = 0x7569
 
 All created nodes (map from blank node names to uids):
-blank-0: 0x7569
-blank-1: 0x756a
-blank-2: 0x756b
-blank-3: 0x756c
+alice: 0x7569
+dg.1447158641.7: 0x756a
+dg.1447158641.8: 0x756b
+dg.1447158641.9: 0x756c
 
 Number of people named "Alice": 1
 { uid: '0x7569',
@@ -83,4 +77,4 @@ Number of people named "Alice": 1
 DONE!
 ```
 
-You can explore the source code in the `index.js` and `index-pre-v7.6.js` files.
+You can explore the source code in the `index.js` file.