puppetlabs/puppet — pull request #326 by jamtur01 (2012-01-11 16:18:10+00:00)
Title: Tickets/2.7.x/11888

Oracle now calls their Linux: OracleLinux. Facter has been updated to
add this support but several providers are default or constrained to the
previous names: OEL, OVM

This commit as OracleLinux as a default or constraint for those
providers.