README.md in sidekiq-lock-0.4.0 vs README.md in sidekiq-lock-0.5.0

@@ -1,9 +1,12 @@
+<p align="center">
+  <img width="300" height="210" src="https://github.com/emq/sidekiq-lock/raw/master/logo.png">
+</p>
+
 # Sidekiq::Lock
 
 [![Code Climate](https://codeclimate.com/github/emq/sidekiq-lock.png)](https://codeclimate.com/github/emq/sidekiq-lock)
-[![Build Status](https://travis-ci.org/emq/sidekiq-lock.png?branch=master)](https://travis-ci.org/emq/sidekiq-lock)
-[![Coverage Status](https://coveralls.io/repos/emq/sidekiq-lock/badge.png)](https://coveralls.io/r/emq/sidekiq-lock)
+[![Build Status](https://travis-ci.com/rwojsznis/sidekiq-lock.svg?branch=master)](https://travis-ci.com/rwojsznis/sidekiq-lock)
 [![Gem Version](https://badge.fury.io/rb/sidekiq-lock.png)](http://badge.fury.io/rb/sidekiq-lock)
 
 **Note:** This is a _complete_ piece of software, it should work across all future sidekiq & ruby versions.
 
 Redis-based simple locking mechanism for [sidekiq][2]. Uses [SET command][1] introduced in Redis 2.6.16.