fix travis badge

Author: Minishlink

README.md

@@ -1,7 +1,7 @@
 # WebPush
 > Web Push library for PHP
 
-[![Build Status](https://travis-ci.org/Minishlink/web-push.svg?branch=master)](https://travis-ci.org/Minishlink/web-push)
+[![Build Status](https://travis-ci.org/web-push-libs/web-push-php.svg?branch=master)](https://travis-ci.org/web-push-libs/web-push-php)
 [![SensioLabsInsight](https://insight.sensiolabs.com/projects/d60e8eea-aea1-4739-8ce0-a3c3c12c6ccf/mini.png)](https://insight.sensiolabs.com/projects/d60e8eea-aea1-4739-8ce0-a3c3c12c6ccf)
 
 ## Installation