Localhost setup

1. Go to the root directory of the repo
2. Make sure your ruby --version is at least 2.0.0
3. Make sure you installed Xcode, Command Line Tools and the Ruby Bundler with gem install bundler
4. Run bundle install and check there are no errors
5. Make sure _site/* is in ignored by Git
6. If all is good you should be able to launch Jekyll server with bundle exec jekyll serve and see the page at localhost:4000