Allow test for node 0.11

Author: Huei Tan

.travis.yml

@@ -1,8 +1,13 @@
 language: node_js
 node_js:
   - "0.10"
-
+  - "0.11"
 before_script:
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start
-  - npm install -g grunt-cli
+  - npm install -g grunt-cli
+  
+matrix:
+  fast_finish: true
+  allow_failures:
+    - node_js: 0.11