Can ink manufacturers beat the clock to avoid the millenium bug?          This December 31, you might want to install a home electric generator, retreat to a cabin in Montana, or curl up in a quiet corner of the world to mark the collapse of modern civilization as we know it. Then again, the new millennium might arrive as casual as any other year in the 20th century.     With 2000 just around the corner, governments, businesses and private citizens are gearing up for the unknown. So...