Tesla's done a good job keeping itself out of the courtroom recently, but the good times don't last forever -- founder Martin Eberhard has just sued the company and CEO Elon Musk for libel, slander, and breach of contract. Eberhard claims that after he and Mark Tapenning founded Tesla, he was summarily pushed out of the company by Musk, wrongfully denied his severance package, and then disparaged both publicly and within the company -- and on top of it all, Musk sent the second Roadster produced out for "endurance tes