Changelog for nodejs-grunt-contrib-concat-0.4.0-2.el7.noarch.rpm :

* Sat Jun 07 2014 Fedora Release Engineering - 0.4.0-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
* Sun Apr 20 2014 Jamie Nguyen - 0.4.0-1- update to upstream release 0.4.0
* Fri Jun 21 2013 Jamie Nguyen - 0.3.0-1- initial package