code: function getStacks(req, res) {
      var data = {};
      async.auto({
        stacks: function(callback) {
          dreadnot.getStackSummaries(function(err, stacks) {
            data.stacks = stacks;
            callback(err);
          });
        },
  
        regions: ['stacks', function(callback) {
          async.forEach(data.stacks, function(stack, callback) {
            dreadnot.getRegionSummaries(stack.name, function(err, regions) {
              if (err) {
                callback(err);
                return;
              }
  
              stack.regions = regions;
              async.forEach(stack.regions, function(region, callback) {
                // TODO: Should this go in dreadnot.js or stack.js maybe?
                if (region.latest_deployment === '0') {
                  region.latest_deployment = null;
                  callback();
                  return;
                }
                dreadnot.getDeploymentSummary(stack.name, region.name, region.latest_deployment, function(err, deployment) {
                  region.latest_deployment = deployment;
                  callback(err);
                });
              }, callback);
            });
          }, callback);
        }],
      }, function(err) {
        renderCallback(req, res, 'stacks.jade')(err, data);
      });
    }
docs: Render the main overview page