Use https://github.com/CHH/heroku-buildpack-php as the builtin PHP buildpack
Merge pull request #57 from qrohlf/patch-1

Use https://github.com/CHH/heroku-buildpack-php as the builtin PHP buildpack
use the build root to build the release file
updating authors
Merge pull request #58 from nolman/fixing-ruby-heroku-buildpack

Fixing ruby heroku buildpack