Merge pull request #23927 from gaurish/jruby_ci_actionpack

Run CI for ActionPack on JRuby

.travis.yml

@@ -28,6 +28,11 @@ rvm:
   - 2.3.0
   - ruby-head
 matrix:
+  include:
+    - rvm: jruby-9.0.5.0
+      jdk: oraclejdk8
+      env:
+         - "JRUBY_OPTS='--dev' GEM=ap"
   allow_failures:
     - rvm: ruby-head
   fast_finish: true