Refactor game logic. Add abstract layers and game pseudo-engine.
Merge pull request #4 from stxnext/3672_refactor_game_logic

Refactor game logic. Add abstract layers and game pseudo-engine.
[3671] align web version layout with mobile version of game

[3671] menu and two buttons

[3671] bottom widget buttons

[3671] menu and buttons

[3671] added super hero img