add link to Arabic repo

js/slideshow/Modal.js

@@ -109,6 +109,10 @@ subscribe("modal/translations", function(){
 		html += " <a href='.'>"+getWords("translations_original")+"</a>";
 		html += "<div style='height:12px'></div>";
 		html += _createLinks(" · ");
+		
+		// ar
+		html += " · <a href='http://alexanderclay.github.io/crowds/ar.html' style='text-decoration:none'>العربية</a>";
+		
 		$("#modal_content").innerHTML = html;
 			
 		// Show in large box