Build against latest Rubinius 2.x, see grape-swagger#327.

Author: dblock

.travis.yml

@@ -6,7 +6,7 @@ rvm:
   - 2.2
   - 2.1
   - 2.0.0
-  - rbx-2.5.8
+  - rbx-2
   - jruby-19mode
   - ruby-head
   - jruby-head
@@ -15,7 +15,7 @@ matrix:
   allow_failures:
     - rvm: ruby-head
     - rvm: jruby-head
-    - rvm: rbx-2.5.8
+    - rvm: rbx-2
 
 gemfile:
   - Gemfile