Add NPR to organizations who use Jinja2

The NPR News Apps team recently blogged about their tools for app development and said they use Jinja2 in their app template. Links: http://github.com/nprapps/app-template and http://blog.apps.npr.org/2013/02/14/app-template-redux.html
Merge pull request #190 from dailycavalier/patch-1

Add NPR to organizations who use Jinja2