Updated DTD, added optional attributes
Updated DTD, added optional attributes

new optional 'created' attribute in account and composite-account
journal 'status' element is optional
transaction has optional 'id' attribute


mohsen-khaxar/jposee,DalleStephane/jposee,Koulio/jposee,aungmyo/jposee,aungmyo/jposee,carlstaana/jposee,Koulio/jposee,DalleStephane/jposee,sheldin/jposee,aungmyo/jposee,Koulio/jposee,DalleStephane/jposee,aungmyo/jposee,mohsen-khaxar/jposee,DalleStephane/jposee,mohsen-khaxar/jposee,Koulio/jposee,carlstaana/jposee,sheldin/jposee,sheldin/jposee,gunawanlachner/jposee,sheldin/jposee,mohsen-khaxar/jposee,gunawanlachner/jposee,gunawanlachner/jposee,carlstaana/jposee,carlstaana/jposee,gunawanlachner/jposee