github/linguist — pull request #790 by hkdobrev (2013-11-23 11:11:14+00:00)
Title: Add composer.lock to JSON filenames

[Composer](http://getcomposer.org] uses one configuration file (composer.json)
and one lock file (composer.lock). They both use valid JSON.

Example: https://github.com/OpenBuildings/jam/blob/master/composer.lock