attribute_aggregator: change mapping of uid to username
attribute_aggregator: change mapping of uid to username

pu239ppy/authentic2,BryceLohr/authentic,BryceLohr/authentic,adieu/authentic2,BryceLohr/authentic,pu239ppy/authentic2,adieu/authentic2,adieu/authentic2,BryceLohr/authentic,pu239ppy/authentic2,adieu/authentic2,pu239ppy/authentic2