bogus rules from html4.css.

	Fix forums on macosx.com by implementing support for the align
	attribute on the <P> tag.

	Implement min-width and max-width for block level floating
	and normal flow elements.

	Fix event handling so that :hover notifications get through to
	objects inside floats.

        Reviewed by: rjw

        * khtml/css/html4.css:
        * khtml/html/html_blockimpl.cpp:
        (HTMLParagraphElementImpl::parseAttribute):
        * khtml/html/html_blockimpl.h:
        * khtml/rendering/render_box.cpp:
        (RenderBox::calcWidth):
        (RenderBox::calcWidthUsing):
        (RenderBox::calcHeight):
        * khtml/rendering/render_box.h:
        * khtml/rendering/render_flow.cpp:
        (RenderFlow::layoutBlockChildren):
        (RenderFlow::nodeAtPoint):
        * khtml/rendering/render_flow.h:
        * khtml/rendering/render_frames.cpp:
        (RenderFrameSet::nodeAtPoint):
        * khtml/rendering/render_frames.h:
        * khtml/rendering/render_image.cpp:
        (RenderImage::nodeAtPoint):
        * khtml/rendering/render_image.h:
        * khtml/rendering/render_object.cpp:
        (RenderObject::nodeAtPoint):
        * khtml/rendering/render_object.h:
        * khtml/rendering/render_root.cpp:
        (RenderRoot::calcHeight):
        * khtml/rendering/render_style.cpp:
        (StyleBoxData::StyleBoxData):
        * khtml/rendering/render_text.cpp:
        (RenderText::nodeAtPoint):
        * khtml/rendering/render_text.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@2937 268f45cc-cd09-0410-ab3c-d52691b4dbfc