add some touch support

- fire touch(start|move|end) events after adding clinetX/Y
- use touch events in video and timeline widgets
- use touchstart to select item in ArrayEditable

source/UI/js/Video/VideoTimelinePlayer.js

@@ -215,7 +215,13 @@ Ox.VideoTimelinePlayer = function(options, self) {
             key_up: function() {
                 self.options.position -= self.contentWidth / self.fps;
                 setPosition();
-            }
+            },
+            touchend: function (e) {
+                mousedown(e);
+                mouseleave();
+            },
+            touchmove: mousedown,
+            touchstart: mousedown
         });
 
     self.$playerbar = Ox.Bar({size: 16});