Github changed how markdown is rendered with lines. Fixed in README.md (

#778)

Readme only change.

README.md

@@ -9,6 +9,7 @@
 [__Contributing__](CONTRIBUTING.md) |
 [__Slack__](http://chat.dcos.io)
 
+---
 __DC/OS SDK__ is a collection of tools, libraries, and documentation for easy integration and automation of stateful services, such as databases, message brokers, and caching services.
 
 ![Status](https://img.shields.io/badge/Status-Alpha-BF97F0.svg?style=flat-square)
@@ -23,6 +24,7 @@ DC/OS SDK is currently in alpha stage: it can run services, but APIs change regu
 
 * __Production-Proven__: Building reliable services is hard. Uber and Bing platform teams use the SDK for mission-critical databases and message brokers.
 
+---
 ### Quick Start
 
 From a workstation with 8G Memory, [Git](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git), [VirtualBox 5.0.x](https://www.virtualbox.org/wiki/Download_Old_Builds_5_0), and [Vagrant 1.8.4](https://releases.hashicorp.com/vagrant/1.8.4/), run:
@@ -57,6 +59,7 @@ From a workstation with 8G Memory, [Git](https://git-scm.com/book/en/v2/Getting-
   * Visit the [dashboard](http://172.17.0.2/#/services/%2Fhello-world/) to see your hello-world service running.
   * Click through to one of your tasks (e.g. `world-server-1-<uuid>`), select the __Files__ tab, select __world-container-path__, and finally select the __output__ file.
 
+---
 ### Understanding the Hello World Service Specification
 
 The service specification declaratively defines the `helloworld` service:
@@ -112,13 +115,16 @@ volume:
   size: 64
 ```
 
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 ### References
 * [Quick Start Guide - Java](https://mesosphere.github.io/dcos-commons/tutorials/quick-start-java.html)
 * [Developer Guide](https://mesosphere.github.io/dcos-commons/developer-guide.html)
 * [Javadocs](https://mesosphere.github.io/dcos-commons/api/)
 
+---
 ### Contributions
 Contributions are welcome! See [CONTRIBUTING](CONTRIBUTING.md).
 
+---
 ### License
 DC/OS SDK is licensed under the Apache License, Version 2.0.