Bug fix hasTouch check. Not possible do use document.ontouchstart === null check, because this does not work if ontouchstart method is used to catch touches on document. Added proper check for "ontouchtart" method.

Author: raido

snap.js

@@ -47,7 +47,7 @@
         },
         eventList = {},
         utils = {
-            hasTouch: (doc.ontouchstart === null),
+            hasTouch: ('ontouchstart' in document.documentElement || window.navigator.msPointerEnabled),
             eventType: function(action) {
                 var eventTypes = {
                         down: (utils.hasTouch ? 'touchstart' : 'mousedown'),