tombenner/nui — pull request #149 by benjie (2013-08-02 15:13:56+00:00)
Title: Prevent clearing label background when it's set.

I.e. prevent clearing `label.backgroundColor` when it's neither unset nor white.

NUI shouldn't override this unless it's explicitly set in the `.nss` file. The issue struck me when I changed the background colour in Interface Builder.