* divorce rate in Iran has increased dramatically in recent years * Rise linked to growing individualism, particularly among women * Women have more options in leaving a troubled marriage By Babak Dehghanpisheh BEIRUT, Oct 22 (Reuters) - Weddings in Iran have long been an over-the-top affair with families spending thousands of dollars to celebrate a union. But **w some couples are splurging on an entirely different sort of nuptial celebration: a divorce party. ...