convert piwik "stream" goal from javascript

panikweb_templates/static/js/specifics.js

@@ -225,6 +225,9 @@ $(function() {
 		if (stream.paused == false){
 			stream.pause();
 		}else{
+			if (typeof (_paq) == 'object') {
+				_paq.push(['trackGoal', 1]);
+			}
 			stream.play();
 		}
 		return false;