Fix Travis badge in README

Author: th3hunt

README.md

@@ -1,7 +1,7 @@
 # ErrorHandler
 [![Download](https://api.bintray.com/packages/workable/maven/ErrorHandler/images/download.svg) ](https://bintray.com/workable/maven/ErrorHandler/_latestVersion)
 [![Bintray](https://img.shields.io/bintray/v/workable/maven/ErrorHandler.svg?maxAge=2592000)](https://bintray.com/workable/maven/ErrorHandler)
-[![Travis](https://travis-ci.org/Workable/java-error-handler.svg?branch=master)]()
+[![Travis](https://travis-ci.org/Workable/java-error-handler.svg?branch=master)](https://travis-ci.org/Workable/java-error-handler)
 
 > Error handling library for Android and Java