See https://github.com/nodesecurity/grunt-nsp-shrinkwrap/

> _Submits npm-shrinkwrap.json to nodesecurity.io for validation_

Not sure if this is the best place for it (in ye olde "lint" task). It will definitely help us detect potential vulnerabilities sooner, but maybe should go in a build script for when we're ready to branch a train so it isn't run on every checkin/build/save...