cloudability/heroku-buildpack-turbo-sprockets — pull request #1 by ColbyAley (2013-11-15 22:01:18+00:00)
Title: Using pre-release bunlder with parallelization

This brings over pre-release bundler and parallelization on `bundle install`

see: https://github.com/heroku/heroku-buildpack-ruby/compare/bundler14 https://discussion.heroku.com/t/early-access-new-ruby-buildpack-with-faster-bundler/131