2) Fixed ProgressMeter to update correctly when attributes change
3) Fixed sample8.html so that it does not over ride the borders of the HTML4 button this
messed up the active, hover, and disabled states.
Added methods to GetWidgetRenderingMode and SetWidgetRenderingMode in nsPresContext
Removed NS_GFX_RENDER_FORM_ELEMENTS define, now it uses the GetWidgetRenderingMode
method on the rendering context.
Resurrected Rod's listbox frame-based widget code.
Added -moz-option-selected pseudo attribute to control the appearance of selected items for the listbox frame-based widget.
Added a style rule with attribute selector for -moz-option-selected to the ua.css style sheet.
Modifed nsView::SetVFlags to do a bitwise or instead of bitwise and to set flags.
Modified nsView::HandleEvent to compare mVFlags with NS_VIEW_FLAG_DONT_CHECK_CHILDREN