lodash/lodash — pull request #828 by schickling (2014-12-14 11:29:39+00:00)
Title: Created `concatAll` alias for `flatten`

RxJS used the method `concatAll` instead of `flatten`. See https://github.com/Reactive-Extensions/RxJS/blob/master/doc/api/core/operators/concatall.md

It would be convenient to have this alias.