Travis Bage URL fix

Author: jkasten2

README.md

@@ -2,7 +2,7 @@ OneSignal Android Push Notification Plugin
 ====================================
 
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/com.onesignal/OneSignal/badge.png)](https://maven-badges.herokuapp.com/maven-central/com.onesignal/OneSignal)
-[![Build Status](https://travis-ci.org/one-signal/OneSignal-Android-SDK.svg?branch=master)](https://travis-ci.org/one-signal/OneSignal-Android-SDK)
+[![Build Status](https://travis-ci.org/OneSignal/OneSignal-Android-SDK.svg?branch=master)](https://travis-ci.org/one-signal/OneSignal-Android-SDK)
 
 OneSignal is a free push notification service for mobile apps. This plugin makes it easy to integrate your native Android or Amazon app with OneSignal.