Face down changes:
* GUI: added visible face down type and real card name for controller/owner (opponent can see it after game ends);
* GUI: added day/night button to view real card for controller/owner (opponent can see it after game ends);
* game: fixed that faced-down card can render symbols, abilities and other hidden data from a real card;
* images: added image support for normal faced-down cards;
* images: added image support for morph and megamorph faced-down cards;
* images: added image support for foretell faced-down cards;
Other changes:
* images: fixed missing tokens from DDD set;
* images: no more client restart to apply newly downloaded images or render settings;
* images: improved backface image quality (use main menu -> symbols to download it);
- fixed that copy effect doesn't restore original image after effect's end;
- removed outdated availableImageSetCodes (all images auto-selected from tokens database now, related to #10139);
- refactor command objects to use CommandObjectImpl;
- refactor planes/emblems/etc objects to use MageObjectImpl, added copyable support;
- refactor another game objects to remove some duplicated fields;
- now token images chosen by tokens database instead availableImageSetCodes (related to #10139);
- added additional verify checks for tokens database;
- fixed some tokens;
