refs #9834 - @TODO: the test env eslint needs to use the plugin, not part of this PR
no issue - support ends today - see https://github.com/nodejs/Release - removed `use strict`
refs https://github.com/TryGhost/Ghost-Release/issues/24 - differentiate between 1. original package.json version (can contain pre and build suffix) 2. full package.json version X.X.X-{pre} (optional) 3. safe package.json version X.X (major+minor)
refs #9178
