Frugal trait

It would be cute to have a trait that is the opposite of Materialistic.

- Frugal sims could get happy from having cheap furniture, since they see it as a bargain.
- Get tense from spending a lot of money on New furniture.
- Get wants to upgrade existing furniture.
- Prevent those "buy dishwasher/1x1 pool" etc kind of wants.
- Get sad from being around materialistic Sims
- Get happy when they buy cheap stuff in flea markets
- talk about frugality with other Sims