sindresorhus/grunt-concurrent — pull request #24 by gadr (2013-10-14 02:51:33+00:00)
Title: Warn user if limit is set to 1

Concurrent is kind of pointless if limit is 1, as it will only ever run the first task, or one per time, at most. However, in VM's this is often the number of configured CPUs. Therefore, it is useful to warn users that their limit is misconfigured.