Adding template.js for Beez3 template

Hi,
This will enable some field types limited for Protostar.
Eg: https://github.com/joomla/joomla-cms/pull/2245 needs this to work properly in Beez3 template.

Issue Tracker: http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=32333&start=0

Thank You !