Generate ids for created instances of Game, Quest and Team
Fix bugs of QuestReceiver

- Fix miss arguments.
- Make Quest's states a classmethod.
Let {Quest, Team}Presenter change current model manually

- Presenter#{lock, unlock} is implemented to stop autoupdating
  Current Model.
- When show the team scene, current team and quests of presenters
  is updated.
Fix a bug of Game
Fix a bug of view