Add a game repository specifically for unit tests, that can provide a listing of all of the available test games and load rulesheet-only versions of specific games.
Add a game repository specifically for unit tests, that can provide a listing of all of the available test games and load rulesheet-only versions of specific games.

git-svn-id: 4739e81c2fe647bfb539b919360e2c658e6121ea@463 716a755e-b13f-cedc-210d-596dafc6fb9b

cerebro/ggp-base,cerebro/ggp-base