Tesla shareholders approved an epic $1 trillion pay package for Elon Musk on Thursday – after the mercurial boss threatened to leave the company if he didn’t get it.The eye-popping compensation is the largest on record and could make Musk the world’s first trillionaire — although he’ll first have to hit a series of performance targets that stretch across the next decade. The 54-year-old is already the world’s richest person with a fortune of$490.1 billion, according to Forbes.Stock will be awarded to Musk ...