Summary: Now text bearings are taken into account when labelRect width is calculated
Reviewed-by: alexp

Summary: All the bearings-related code is removed from MenuItemLayoutHelper class
Reviewed-by: alexp

Summary: Added right-to-left code branches to WindowsInternalFrameTitlePane and Metacity classes
Reviewed-by: alexp

Summary: Fixed calculation of preferred size in SynthButtonUI
Reviewed-by: loneid, peterz

Reviewed-by: peterz, alexp