Added Codeship banner in README

Author: geoffreybauduin

README.md

@@ -1,6 +1,8 @@
 angular-scroll-pane
 ===================
 
+[ ![Codeship Status for lght/angular-scroll-pane](https://www.codeship.io/projects/35291d50-4583-0132-64da-460c6dc64c0a/status)](https://www.codeship.io/projects/45028)
+
 AngularJS directive to use jScrollPane https://github.com/vitch/jScrollPane
 
 ## How to install