Install PhantomJS

http://phantomjs.org/download -> phantomjs-1.9.7-linux-x86_64.tar.bz2
cd /usr/local/share/

sudo tar jxvf phantomjs-1.9.7-linux-x86_64.tar.bz2
sudo ln -s /usr/local/share/phantomjs-1.9.7-linux-x86_64/ /usr/local/share/phantomjs
sudo ln -s /usr/local/share/phantomjs/bin/phantomjs /usr/local/bin/phantomjs