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/SmallVideoTimeline.js

@@ -110,7 +110,13 @@ Ox.SmallVideoTimeline = function(options, self) {
                 self.triggered = false;
                 mousedown(data);
             },
-            mousedown: mousedown
+            mousedown: mousedown,
+            touchend: function(data) {
+                self.triggered = false;
+                mousedown(data);
+            },
+            touchmove: mousedown,
+            touchstart: mousedown
         })
         .appendTo(that);