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  • David's avatar
    macosx: Remove sharedInstance from About window and rework · 491bef0b
    David authored
    Removes sharedInstance from About window controller, and rework
    as a NSWindowController subclass. This is the new owner of the xib
    and thus instantiated outside the nib bundle.
    
    Splits Help window in own xib and add own NSWindowController as
    well.
    
    refs #5556
    491bef0b