.travis.yml in pmap-1.0.1 vs .travis.yml in pmap-1.0.2

@@ -1,10 +1,19 @@
 language: ruby
+sudo: false
 rvm:
   - 1.8.7
   - 1.9.2
   - 1.9.3
   - 2.0.0
+  - 2.1.3
+  - 2.2.0-preview1
   - jruby-18mode
   - jruby-19mode
-  - rbx-18mode
-  - rbx-19mode
+  - jruby-head
+  - rbx-2
+  - ree
+  - ruby-head
+matrix:
+  allow_failures:
+    - rvm: jruby-head
+    - rvm: ruby-head