refactored storePlayerInfo, now adds to $scope.playerInfos
Before, depending on whether the player info message was talking about this user or if it was talking about the opponent, the code would have a conditional to set all the correct properties of currentUser.game.<player type>.<etc>.
However, this had a lot of repeat code because the only difference between the code in the two conditionals was where it was storing the data. Now, instead of all that, the code will store the player type (