travis: node version 0.10 shows as 0.10 not as 0.1

.travis.yml

@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - 0.8
-  - 0.10
+  - "0.8"
+  - "0.10"
 before_script:
-  - npm install -g grunt-cli
+  - npm install -g grunt-cli