documentcloud/underscore-contrib — pull request #167 by megawac (2014-08-07 20:18:51+00:00)
Title: Use shallow _.flatten in place of cat

As discussed earlier in https://github.com/documentcloud/underscore-contrib/commit/ac9df4e90840305a7505dac8240f2e805b2af31a#commitcomment-7296261