Auto-detection of binaries location.
chomp debian version
Add CentOS support.
Reduce parallel jobs to 2.
Fix buildpack debian version
Increase number of retries.
Add retry logic to run!

Useful for the dreaded "set -o pipefail; curl --fail ... failed unexpectedly" error.
Add log output when retrying.
Very high retry attempts for curl commands.
Only take major version for centos and debian
Update binaries
ruby 2.1.3
inspect
Set STACK to empty string to avoid useless cache purges
Add support for Fedora 20
Use current binaries
don't use nokogiri system libraries