google/traceur-compiler — pull request #669 by johnjbarton (2014-01-15 15:48:13+00:00)
Title: Extract --referrer prefix from package.json version.

node build/printReversion.js prints semver patch + 1 number.
node build/writeReversion.js updates packages.json version and
devDependency version.
Require traceur node_module as devDependency.