- Get the scroller orientation from the xib.
- Fix the nonsensical calculation of _isVertical when given bounds.
- Since orientation comes from the xib, had to re-nib2cib everything to be safe.
- The default box background color is now clear, that is what Cocoa does.
- Bezel drawing uses CPDrawTiledRects, obeys border width.
- CPDrawTiledRects/CPDrawColorTiledRects explicitly sets the line width and saves/restores the graphics state.
- Whitespace cleanup in CPBox.