feature(test-mongo.js): Add initial mongo code with promises
Game now runs and saves to database on every turn
feature(Game.js, gameRunner.js): Refactor DB connections in gameRunner, add functions to Game.js
Merge pull request #3 from gjtrowbridge/mongo-integration

refactor(Game.js, gameRunner.js): Rework database connection method
fix(HealthWell.js): Add module.exports
Merge pull request #4 from gjtrowbridge/mongo-integration

fix(HealthWell.js): Add module.exports