Flushes Amazon CloudFront cache when you click Clear Cache button.
$ cd ./packages
$ git clone git@github.com:MacareuxDigital/addon_cdn_cache_purge_cloudfront.git cdn_cache_purge_cloudfront
$ cd cdn_cache_purge_cloudfront
$ composer install
$ cd ../../
$ ./concrete/bin/concrete5 c5:package-install cdn_cache_purge_cloudfront