Switched engines.node semver operator
Switched engines.node semver operator

Avoids warnings from Heroku:

PRO TIP: Avoid using semver ranges starting with '>' in engines.node
See https://devcenter.heroku.com/articles/nodejs-support
See https://github.com/isaacs/node-semver#ranges

mozilla/mozillawebmakerproxy.net,Course-Master/camo,grosser/camo,atmos/camo,Course-Master/camo,digideskio/camo,missive/camo,espadrine/camo