Add more games to repository

[samschreiber]

The following are good candidate games for GGP that should be written and added to the base game repository:

• Go-bang
• Alquerque
• The Royal Game of Ur
• Shogi
• Fox & Geese
• Asalto
• Shut the Box
• Quantum Tic-Tac-Toe
• Backgammon
• Hnefatafl
• Dunsany's chess
• Blokus
• Go
• Dots and Boxes
• Arimaa
• Irensei
• Fischer Random Chess
• Konane
• Blackjack
• Shatranj

[AlexLandau]

This site has a good collection of recently invented abstract strategy games, as well as some older ones: http://www.iggamecenter.com/info/en/rules.html