Debug Travis' Pull Request failures

build.gradle

@@ -25,6 +25,9 @@ repositories {
 
 }
 
+println System.env.TRAVIS_PULL_REQUEST
+println System.env.TRAVIS_PULL_REQUEST_BRANCH
+
 if (System.getenv('TRAVIS') != null) {
     if (System.env.TRAVIS_TAG != "") {
         ext.jmeEngineVersion = "3.2.0-" + System.env.TRAVIS_TAG + "-SNAPSHOT"