Elevator Clicker

The game, as it stands, involves you getting 1 dollar for every 2
elevators. every new elevator costs the amount of elevators you have
times 4.

Yay, money!
Added way to know how much money you need.
Initial elevator algorithm

Elevator class broken up into 3 classes, and we now have an algorithm
that creates people on random floors. The elevator attempts to pick them
up, but the elevator can apparently only go up ._.
Merge pull request #2 from ElevatorTeam/Elevator-Placement

Elevator placement