Update travis to remove phantom

Author: BookOfGreg

.travis.yml

@@ -1,6 +1,8 @@
 language: ruby
 sudo: required
 dist: trusty
+addons:
+  chrome: stable
 cache:
   bundler: true
   yarn: true
@@ -32,9 +34,9 @@ matrix:
     - rvm: 2.1
       gemfile: gemfiles/rails_3.2.gemfile
     - rvm: 2.1
-      gemfile: rails_4.0.5.gemfile
+      gemfile: gemfiles/rails_4.0.5.gemfile
     - rvm: 2.1
-      gemfile: rails_4.0_with_therubyracer.gemfile
+      gemfile: gemfiles/rails_4.0_with_therubyracer.gemfile
     - rvm: 2.1
       gemfile: gemfiles/rails_4.2_sprockets_2.gemfile
     - rvm: 2.1
@@ -76,12 +78,6 @@ matrix:
     - rvm: jruby-9.1.9.0
 
 before_install:
-  - nvm install 7.8.0 && nvm use 7.8.0
-  - mkdir travis-phantomjs
-  - wget https://rmosolgo.github.io/assets/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
-  - phantomjs --version
   # Repo for Yarn
   - sudo apt-key adv --fetch-keys http://dl.yarnpkg.com/debian/pubkey.gpg
   - echo "deb http://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list