Added build badge.

Author: tarlepp

README.md

@@ -1,5 +1,6 @@
 # Frontend side for angular-sailsjs-boilerplate
 [![GitHub version](https://badge.fury.io/gh/tarlepp%2Fangular-sailsjs-boilerplate-frontend.svg)](https://badge.fury.io/gh/tarlepp%2Fangular-sailsjs-boilerplate-frontend)
+[![Build Status](https://travis-ci.org/tarlepp/angular-sailsjs-boilerplate-frontend.png?branch=master)](https://travis-ci.org/tarlepp/angular-sailsjs-boilerplate-frontend)
 [![Dependency Status](https://david-dm.org/tarlepp/angular-sailsjs-boilerplate-frontend.svg)](https://david-dm.org/tarlepp/angular-sailsjs-boilerplate-frontend)
 [![devDependency Status](https://david-dm.org/tarlepp/angular-sailsjs-boilerplate-frontend/dev-status.svg)](https://david-dm.org/tarlepp/angular-sailsjs-boilerplate-frontend#info=devDependencies)