The auctioning of several downtown San Jose condominiums has spawned a widening legal war now that a troubled China-based real estate firm has filed a new lawsuit in the increasingly tangled case.  China-based Z&L Properties has filed a lawsuit against winning bidders in an auction last week of the downtown San Jose condos, as well as the trustee that conducted the proceeding, Santa Clara County Court records show.   Read the article…………………………….