add note about Phantom.js dependency
add note about Phantom.js dependency

pangratz/ember-memento,pangratz/irc-log-viewer,pangratz/emberjs-couchapp-gem,pangratz/ember-library-template,pangratz/ember-library-template,greyhwndz/ember-memento,pangratz/irc-log-viewer,igauravsehrawat/jiit-lug_logs_app,greyhwndz/ember-memento,axtro/ember-skeleton,igauravsehrawat/jiit-lug_logs_app,pangratz/ember-memento,greyhwndz/ember-memento,pangratz/emberjs-couchapp-gem,axtro/ember-skeleton