opencart/opencart — pull request #223 by Asif-Mahmood (2012-11-05 16:07:31+00:00)
Title: Custom Tags in document.php

This change is to allow the developers to add Custom Tags to the Header of the page. Custom tags are required for different purposes. The most used purpose is to add Custom Meta Tags for FaceBook Open Graph protocol. To make different Facebook components to work properly, the custom meta tags are required to be in the header of the document.