DouglasHeriot/AutoGrowingNSTextField
http://stackoverflow.com/questions/14107385/getting-a-nstextfield-to-grow-with-the-text-in-auto-layout/14111406#14111406
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http://stackoverflow.com/questions/14107385/getting-a-nstextfield-to-grow-with-the-text-in-auto-layout/14111406#14111406