adding an ok button for all money activities. This needs to be optional and set in activity config.

adding options in multipledataset

multipledataset are 10 100 1000 which excludes using this activity in preschool
having 3 4 5 10 15 20 50 100 1000 would allow to use it to learn computation for money and money_back activities
having 3 levels for datasets 3 and 4
having 5 levels for datasets 5
having 10 levels for datasets 15, 20 and 50

no multipledatasets will be added for money cents activities