Add Travis and Jitpack badges (#28)

* Add Jitpack badge
* Add Travid build badge

Author: Christoffer-Cortes

README.md

@@ -17,6 +17,9 @@
 
 <img src="./images/logo.png" alt="Eiffel Shared Java" width="350"/>
 
+[![Build Status](https://travis-ci.org/eiffel-community/eiffel-commons.svg?branch=master)](https://travis-ci.org/eiffel-community/eiffel-commons)
+[![](https://jitpack.io/v/eiffel-community/eiffel-commons.svg)](https://jitpack.io/#eiffel-community/eiffel-commons)
+
 # Eiffel Commons
 ## Java Library
 * Jenkins Manager