.travis.yml in twilio-ruby-3.11.5 vs .travis.yml in twilio-ruby-3.11.6

@@ -1,13 +1,25 @@
 language: ruby
-script: "rake spec"
+cache: bundler
+bundler_args: --without development
 rvm:
-  - 1.8.7
-  - 1.9.2
-  - 1.9.3
-  - 2.0.0
+  - ruby-head
+  - ruby
   - 2.1.0
-  - jruby-18mode
+  - 2.0.0
+  - 1.9.3
+  - 1.8.7
+  - jruby-head
+  - jruby
   - jruby-19mode
-  - rbx-2.1.1
-  - rbx-2.2.1
+  - jruby-18mode
+  - rbx-head
+  - rbx-2
   - ree
+matrix:
+  fast_finish: true
+  allow_failures:
+    - rvm: ruby-head
+    - rvm: ruby
+    - rvm: jruby-head
+    - rvm: jruby
+    - rvm: rbx-head
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