Merge branch 'v1.7'
2490.1:
2490.2 rename CssBox field

add _aa_ prefix to _boxes and _textBuffer
Debugger (VS) will show it at top of the list
2097.3: debug
Merge branch '1.7.2094.1' into v1.7
Merge branch 'v1.7'
Merge branch 'master' of https://github.com/wintercore/HTML-Renderer

Conflicts:
	Source/Demo/DemoForm.cs
	Source/Demo/DevForm.cs
	Source/Demo/Samples/00.Intro.htm
	Source/Demo/Samples/03.Tables.htm
	Source/HtmlRenderer/0_Boxes/0_BoxCore/CssBox.cs
	Source/HtmlRenderer/0_Boxes/0_BoxCore/CssBoxBase.cs
	Source/HtmlRenderer/0_Boxes/0_BoxCore/CssBox_Fields.cs
	Source/HtmlRenderer/0_Boxes/0_BoxCore/CssBox_InheritAndClone.cs
	Source/HtmlRenderer/0_Boxes/0_BoxCore/CssBox_Paint.cs
	Source/HtmlRenderer/0_Boxes/0_BoxCore/CssLineBox.cs
	Source/HtmlRenderer/0_Boxes/3_Layout/CssLayoutEngine.cs
	Source/HtmlRenderer/0_Boxes/4_Render/BordersDrawHandler.cs
	Source/HtmlRenderer/BridgesAndBuilder/BoxModelBuilder.cs
	Source/HtmlRenderer/BridgesAndBuilder/BoxModelBuilder_Corrector.cs