Dissolution of Marriage; Requiring the court to make certain written findings in its awards of alimony; removing the court’s ability to consider adultery of either spouse in determining the amount of an alimony award; revising factors that the court must consider in determining the proper type and amount of alimony; revising a provision authorizing the modification of rehabilitative alimony upon completion of the rehabilitative plan to include a certain condition; requiring the court to consider specified factors when determining an alimony award involving the existence of a supportive relationship between the obligee and another person, etc.