[Patch] outline fixes

[Leo Savernik]

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Hello,

This patch moves the outline painting algorithm from RenderText to the more 
suitable RenderInline (in fact this is exactly what WebCore did).

As I merged the pieces from WebCore, I also merged their introduction of a 
PaintActionOutline phase. Is this a good idea?
I can also keep the outline painting part of the PaintActionForeground phase.

Furthermore, I changed NodeBaseImpl::setFocus to not set the m_focus flag on 
its children (exactly like Safari). With this change, only and nothing but 
the focussed element gets their :focus pseudo style applied -> only 
the :focus element gets its outline drawn, but not its children anymore which 
leads to a much cleaner look.

But maybe there's a reason why m_focus was inherited, that's why I'm asking.

Please review.

mfg
	Leo
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