Merge pull request volcano-sh#22 from volcano-sh/installation-guidance

Refer to installation

Author: volcano-sh-bot

README.md

@@ -3,4 +3,4 @@
 [![Build Status](https://travis-ci.org/volcano-sh/scheduler.svg?branch=master)](https://travis-ci.org/volcano-sh/scheduler)
 [![Go Report Card](https://goreportcard.com/badge/github.com/volcano-sh/volcano)](https://goreportcard.com/report/github.com/volcano-sh/volcano)
 
-The scheduler of [Volcano](http://github.com/volcano-sh/volcano), built based on [kube-batch](http://github.com/kubernetes-sigs/kube-batch).
+The scheduler of [Volcano](http://github.com/volcano-sh/volcano), built based on [kube-batch](http://github.com/kubernetes-sigs/kube-batch). Reference to [Volcano](http://github.com/volcano-sh/volcano) on how to install it.