CI: Add node.js 0.12.

.travis.yml

@@ -1,12 +1,13 @@
 language: node_js
 node_js:
   - "0.10"
+  - "0.12"
 before_install:
   - rvm use 1.9.3
 install:
   - travis_retry npm install -g grunt-cli
   - travis_retry npm install
-  - travis_retry gem install --no-document "jekyll:~>2.5.3" "rouge:~>1.7.7" "sass:~>3.4.10"
+  - travis_retry gem install --no-document "jekyll:~>2.5.3" "rouge:~>1.8.0" "sass:~>3.4.11"
 matrix:
   fast_finish: true
 notifications: