travis add component install

Author: Evan You

.travis.yml

@@ -2,9 +2,11 @@ language: node_js
 node_js:
   - "0.10"
 before_install:
-  - npm install -g grunt-cli
+  - npm install -g grunt-cli component
   - git clone git://github.com/n1k0/casperjs.git ~/casperjs
   - cd ~/casperjs
   - git checkout tags/1.1-beta1
   - export PATH=$PATH:`pwd`/bin
-  - cd -
+  - cd -
+before_script:
+  - component install