Fix leaks in popup
Listen for scroll in all scrollable parents. Fixes #3424.
Make jshint happy.
Fix the missing ToolBar overflow Popup after transition.
Fix the Menu reappearing on click if the target is the document.body. Closes telerik/kendo-ui-core#149.
Pass original event on ContextMenu open/close in order to identify the current target.
Merge pull request #148 from hustcer/master

Finish zh-CN message translation, Add zh-HK and zh-TW
Fix NaN errors in IE when scroller is invisible
Wrap the content of a ToolBar's template commands inside a div element. Fix #153
Don't close sub menus on item click if not on root level. Closes telerik/kendo#3051.
Remove focused classes before showing up the ContextMenu. Don't close the ContextMenu on item with children click. Closes telerik/kendo#3393.
Introduce .k-menu-group class, move all menu styling to it. This allows placing other group widgets (like a TreeView) inside the Menu.
Add some tests.
Render filter input. Handler focus change between input and wrapper. Refactor combobox to add filtering functionality to dropdownlist
Prevent 'home' logic when filterInput is focused. Prevent filter when altKey is pressed. Persist focus when shiftKey/altKey is pressed
Select focused item on blur
Create fake option if no items are returned after filter
Test change event of dropdownlist with filter
Add ARIA support for filter input in dropdownlist
Add support for show/hide of filter header through setOptions method
Render search icon when filter is enabled