[#33396] Move including Bootstrap JS to the layout folder

NOTE:  If you have overriden the layout and expect the js to be loading :/ but in my opinion it's outweighed by the fact it should be overridable. Otherwise you override the layout and still have BS loading

http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=33396&start=0