try to get travis to pass

Author: monkstone

.travis.yml

@@ -1,23 +1,14 @@
-sudo: false
-
 language: ruby
-
-bundler_args: --without production
-
+sudo: false
 addons:
   apt:
     packages:
-      - oracle-java8-installer
+      -oracle-java8-installer
 
 rvm: 
-  - jruby-head
-
+  - jruby-9.0.5.0
 jdk:
   - oraclejdk8
-
-env:
-  - JRUBY_OPTS="$JRUBY_OPTS" JAVA_OPTS="-Djruby.version=$JRUBY_VERSION"
-
-before_script:
-  - export JRUBY_OPTS="-Xcext.enabled=false -Xcompile.invokedynamic=false"
+os:
+  - linux