Add Travis CI badge for the branch

Author: acogoluegnes

README.md

@@ -2,7 +2,7 @@
 
 [![Join the chat at https://gitter.im/reactor/reactor](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/reactor/reactor?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
-[![Travis CI](https://travis-ci.org/reactor/reactor-rabbitmq.svg?branch=master)](https://travis-ci.org/reactor/reactor-rabbitmq)
+[![Build Status](https://travis-ci.com/reactor/reactor-rabbitmq.svg?branch=1.4.x)](https://travis-ci.com/reactor/reactor-rabbitmq)
 
 Reactor RabbitMQ is a reactive API for [RabbitMQ](https://www.rabbitmq.com/) based on
 [Reactor](https://projectreactor.io/)