Kleiner Perkins Caufield & Byers has been cleared of all claims against it in a civil suit brought by former junior partner Ellen Pao. The complete victory in the lawsuit came only after a juror changed his vote on whether the firm retaliated against Pao for complaining about gender bias. Click here for the complete story about the Kleiner Perkins victory It brought to an end a wild afternoon in Judge Harold Kahn's San Francisco courtroom, where it appeared hours earlier that the jury's work…