Minor changes to the base layout and navbar
Updated the visibility of the pager and navigator label in generic table.
Centered the table cell containing information about empty tables.
Added caption to generic table.
Renamed method for adding selection column.
Hiding table caption.
Display "None" in category dropdown in add expense panel
Refreshes expense table after adding an expense.
Fixed logging
Added wicket-devutils dependency and stateless component checker.
Assert utility class
Stateless version of the add expense dialog.
Updated expense page to be stateless and added @StatelessComponent annotation to verify this behavior
Stateless paging navigator.
Replaced paging navigator with new stateless one.
Removed selection column since it is stateful
Added back table to expense page
Stateless headers toolbar. Only displays header component.
Added support for styled columns.
Refactored base test to extract base class without spring context.
Sorting link for use in stateless tables, will generate a link with page parameters.