update travis to run with openjdk8

sergiofbsilva · web-flow · commit acc03329582f · 2019-06-17T13:42:56.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: java
 jdk:
-- oraclejdk8
+- openjdk8
 sudo: false
 
 cache:
