Changes: * Issue 231: Possible NPE due to not checking for null from usState.getUs()
* Pull 239: Fixed Gradle uber JAR build * Pull 234: Fixed redirect in non-ROOT WARs. Also, FINALLY!, fix root redirect for standalone version. i.e. http://localhost:8080 will now redirect to http://localhost:8080/exhibitor/v1/ui/index.html https://github.com/Netflix/exhibitor
