.travis.yml in rib-1.1.6 vs .travis.yml in rib-1.2.0

@@ -1,11 +1,13 @@
 before_install: 'git submodule update --init'
 script: 'ruby -r bundler/setup -S rake test'
 
-env:
-  - 'RBXOPT=-X19'
-
 rvm:
   - 1.9.3
   - 2.0.0
-  - rbx-head
-  - jruby-head
+  - 2.1.0
+  - rbx
+  - jruby
+
+matrix:
+  allow_failures:
+    - rvm: jruby