Updated Norwegian Nynorsk translation

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

Apple-TV/Settings.bundle/nn.lproj/Root.strings

 /* A single strings file, whose title is specified in your preferences schema. The strings files provide the localized content to display to the user for each of your preferences. */

Resources/Settings.bundle/nn.lproj/Root.strings

 /* A single strings file, whose title is specified in your preferences schema. The strings files provide the localized content to display to the user for each of your preferences. */

Resources/nn.lproj/Localizable.strings

 "CHOOSE_AUDIO_TRACK"="Vel lydspor";