Move parent tutorials over

[#70309002]
Don't show lock icon when town is enabled

[#70312444]
Add completionCost property to towns

This completion cost refers to the amount of money it will
cost to unlock the *next* town. It seems more logical, however,
to make it a property of the town that is being completed, as
it relates to the value of all the tasks in the town.

[#70312444]
Show Breeders License message; add Pay buttons if user can afford

When we show the town unlock dialog, we now show a message with
the Breeders License and the cost required to unlock the town.

If the user cannot afford the unlock cost (*or* if the user
is trying to skip to a later town), we show the regular password
field.

[#70312444]
When PAY is clicked, deduct money from bank and unlock town

Also briefly display success message.

[#70312444]