joomla/joomla-cms — pull request #3521 by okonomiyaki3000 (2014-04-28 03:29:51+00:00)
Title: Define the Joomla version if not already defined.

Solves this issue: http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=33667&start=0