use new-style mouse events in Ox.List

source/Ox.UI/js/Core/Ox.Container.js

@@ -17,7 +17,11 @@ Ox.Container = function(options, self) {
     var that = Ox.Element({}, self)
         .options(options || {})
         .addClass('OxContainer');
-    that.$content = Ox.Element({}, self) // fixme: passing self twice??
+    // fixme: we used to pass self _again_ to the content,
+    // which obviously makes clicks trigger twice
+    // removed for now, but may break something else.
+    // (maybe, if needed, content can pass a container event along)
+    that.$content = Ox.Element({})
         .options(options || {})
         .addClass('OxContent')
         .appendTo(that);