.travis.yml in games_dice-0.2.0 vs .travis.yml in games_dice-0.2.1

@@ -1,10 +1,10 @@
 language: ruby
 rvm:
   - "1.8.7"
   - "1.9.3"
   - "2.0.0"
-  - jruby-18mode # JRuby in 1.8 mode
-  - jruby-19mode # JRuby in 1.9 mode
   - rbx-18mode
   - rbx-19mode
+  - ruby-head
+  - ree