* refactor Game.js to use Api.game instead of Game.api, and to use the new Api.js POST wrappers
* also update tests to match code changes
* move playerWLTText() function to Api, and make Api not invoke any functions from Game
Merge pull request #474 from cgolubi1/468_post_wrapper

finish refactor to use Api.apiParsePost() and Api.apiFormPost() when invoking POST