code: function installRequirements(done) {
    var _calls = [];
    _.forEach(REQUIRED_INSTALLS, function(npmName) {
      _calls.push(function(done) {
        return Crux.util.install.npm(npmName, done, false);
      });
    });
    async.waterfall(_calls, done);
  }
docs: /*
  This is a private function that will install missing dependencies.