Add Java 9 to Travis

ashawley · ashawley · commit 049c30f13724 · 2018-01-31T15:10:03.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -22,6 +22,7 @@ addons:
 jdk:
   - openjdk6
   - oraclejdk8
+  - oraclejdk9
 
 notifications:
   email: adriaan.moors@lightbend.com
