improve Q4 code - encapsulation, code management, and inheritance.

[shonber]

• [x] encapsulation
• [x] code management
• [x] - move the combinations finder to a static class
• [x] - change the Game class to be an abstract class
• [x] - change the Game class - StartGame method to be an abstract method
• [x] - Move the movement method to a movement static class
• [x] - Program.cs
• [x] - ConsoleGame.cs
• [x] Game.cs
• [x] Board.cs
• [x] Menu.cs
• [x] inheritance

[shonber]

git fetch origin git checkout dev-9