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/Form/ArrayEditable.js

@@ -94,7 +94,8 @@ Ox.ArrayEditable = function(options, self) {
             key_left: self.options.type == 'input' ? selectPrevious : selectFirst,
             key_right: self.options.type == 'input' ? selectNext : selectLast,
             key_up: self.options.type == 'input' ? selectFirst : selectPrevious,
-            singleclick: singleclick
+            singleclick: singleclick,
+            touchstart: singleclick
         });
 
     self.$items = [];