.travis.yml in lunanode-0.2.0 vs .travis.yml in lunanode-0.3.0

@@ -1,11 +1,19 @@
+dist: trusty
 sudo: false
 language: ruby
 rvm:
   - 2.4.0
   - 2.3.3
   - 2.2.6
   - 2.1.10
+  - ruby-head
+  - jruby-9.1.5.0
+  - jruby-head
+matrix:
+  allow_failures:
+    - rvm: ruby-head
+    - rvm: jruby-head
 before_install:
   - gem update --system
   - gem --version
   - gem install bundler -v 1.14.3