gulpjs/gulp — pull request #576 by cognitom (2014-07-07 02:14:22+00:00)
Title: Update the recipe "running-task-steps-per-folder.md"

Why not use `merge(tasks)` instead of `es.concat.apply(null, tasks)`?

[merge-stream](https://github.com/grncdr/merge-stream) has been [updated](https://github.com/grncdr/merge-stream/pull/5) to pass an array of streams now.