nsIEditProperty was an interface with no methods and only static members - moved it to an entirely static class.
git-svn-id: svn://10.0.0.236/trunk@141290 18797224-902f-48f8-a5cc-f745e15eee43
could not revert to HTML attributes default value,
VALIGN attribute on table elements was not CSSized,
page colors of new documents were not CSSized,
bad design in |nsEditor::CloneAttributes()|,
new image width/height/border attributes were not CSSized,
error in EdTableProps.js
b=167712, b=167716, r=brade, r=jfrancis, sr=kin
git-svn-id: svn://10.0.0.236/trunk@129785 18797224-902f-48f8-a5cc-f745e15eee43