Fix attempt for Travis build

Author: matthew-dean

.travis.yml

@@ -4,6 +4,11 @@ node_js:
   - "4.0.0"
   - "0.12"
   - "0.10"
+before_install:
+  - mkdir travis-phantomjs
+  - wget https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-2.1.1-linux-x86_64.tar.bz2 -O $PWD/travis-phantomjs/phantomjs-2.1.1-linux-x86_64.tar.bz2
+  - tar -xvf $PWD/travis-phantomjs/phantomjs-2.1.1-linux-x86_64.tar.bz2 -C $PWD/travis-phantomjs
+  - export PATH=$PWD/travis-phantomjs/phantomjs-2.1.1-linux-x86_64/bin:$PATH
 install:
   - npm install -g grunt-cli
   - npm install