Merged all the changes in Launchpad's JessyInk (toward 1.5.6) that affect the script (i.e., no python, extension files or new license) up to bzr rev. 124 (2013-07-10). All these are by Hannes Hochreiner, 2011-2013.
Most notable change: fixed the video elements.

	modified:   js/effects.js
	modified:   js/elements.js
	modified:   js/slide.js