Semaphoreapp badge

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

README.md

@@ -21,6 +21,8 @@
 
 - [![build status](https://ci.gitlab.org/projects/1/status.png?ref=master)](https://ci.gitlab.org/projects/1?ref=master) on ci.gitlab.org (master branch)
 
+- [![Build Status](https://semaphoreapp.com/api/v1/projects/2f1a5809-418b-4cc2-a1f4-819607579fe7/243338/badge.png)](https://semaphoreapp.com/gitlabhq/gitlabhq)
+
 - [![Code Climate](https://codeclimate.com/github/gitlabhq/gitlabhq.svg)](https://codeclimate.com/github/gitlabhq/gitlabhq)
 
 - [![Coverage Status](https://coveralls.io/repos/gitlabhq/gitlabhq/badge.png?branch=master)](https://coveralls.io/r/gitlabhq/gitlabhq)