wicket-jquery-ui-8.0.0-M4

Versions

• upgraded to wicket-8.0.0-M4

General

• fixed javadoc errors; #256

Kendo UI

• added CommandColumn() & CommandColumn(int width)
• added ToolbarButton#onClick
• added SecuredCommandButton
• renamed DataTableBehavior#ClickEvent to CommandClickEvent
• CommandButton, default ctors are bound to 'id' property
• CommandButton#isEnabled return true by default