Introduced a banker.
Updated the suite of unit tests.
Removed the concept of a PropertyGroup.
Added unit tests for the Banker class.
Removed the buying strategies.
Removed the concept of all strategies.
Converted the player class into a String.

Moved the responsibilty of player locations into the board.
Refactoring.

Removed the Go class as its effect is applied by the ClassicGoBonusRule.
Renamed the overly verbose movement methods in the GameBoard class.
Solution changes.

Moved the GameBoard class to the root of the project and renamed it to
Board.  Renamed the Board folder to Spaces.
Moved incrementing doubles responsibility.

The ClassicTurnTaker class now handles how many times the player has
rolled consecutive doubles.