update badges

Author: fbourigault

README.md

@@ -2,6 +2,10 @@ A PHP wrapper to be used with [Gitlab's API](https://github.com/gitlabhq/gitlabh
 ==============
 
 [![Build Status](https://travis-ci.org/m4tthumphrey/php-gitlab-api.svg?branch=master)](https://travis-ci.org/m4tthumphrey/php-gitlab-api)
+[![StyleCI](https://styleci.io/repos/6816335/shield?branch=master)](https://styleci.io/repos/6816335)
+[![Total Downloads](https://poser.pugx.org/m4tthumphrey/php-gitlab-api/downloads?format=flat-square)](https://packagist.org/packages/m4tthumphrey/php-gitlab-api)
+[![Latest Stable Version](https://poser.pugx.org/m4tthumphrey/php-gitlab-api/version?format=flat-square)](https://packagist.org/packages/m4tthumphrey/php-gitlab-api)
+[![Latest Unstable Version](https://poser.pugx.org/m4tthumphrey/php-gitlab-api/v/unstable?format=flat-square)](//packagist.org/packages/m4tthumphrey/php-gitlab-api)
 
 Based on [php-github-api](https://github.com/m4tthumphrey/php-github-api) and code from [KnpLabs](https://github.com/KnpLabs/php-github-api).