Revert back to building with Java 8 until project is ready to upgrade to Gradle 5

dbmeneses · dbmeneses · commit b07854111837 · 2019-06-28T14:48:31.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,7 +6,7 @@ script:
   - ./travis.sh
 
 jdk:
-  - openjdk11
+  - oraclejdk8
 
 before_cache:
   - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
