update badges, install info

Author: TheTechsTech

README.md

@@ -1,10 +1,15 @@
 ezSQL
 =====
-[![Build Status](https://travis-ci.org/ezSQL/ezSQL.svg?branch=v3)](https://travis-ci.org/ezSQL/ezSQL)
-[![Build status](https://ci.appveyor.com/api/projects/status/6s8oqnoxa2i5k04f/branch/v3?svg=true)](https://ci.appveyor.com/project/jv2222/ezsql/branch/v3)
-[![codecov](https://codecov.io/gh/ezSQL/ezSQL/branch/v3/graph/badge.svg)](https://codecov.io/gh/ezSQL/ezSQL)
+[![Build Status](https://travis-ci.org/ezSQL/ezSQL.svg?branch=master)](https://travis-ci.org/ezSQL/ezSQL)
+[![Build status](https://ci.appveyor.com/api/projects/status/6s8oqnoxa2i5k04f/branch/master?svg=true)](https://ci.appveyor.com/project/jv2222/ezsql/branch/master)
+[![codecov](https://codecov.io/gh/ezSQL/ezSQL/branch/master/graph/badge.svg)](https://codecov.io/gh/ezSQL/ezSQL)
 [![Maintainability](https://api.codeclimate.com/v1/badges/8db71512a019ab280a16/maintainability)](https://codeclimate.com/github/techno-express/ezSQL/maintainability)
 
+Installation
+------
+`composer require jv2222/ezsql`
+`require 'vendor/autoload.php';`
+
 Author
 ------
 Justin Vincent - http://justinvincent.com/ezsql