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);
Network upgrade and new reconnection mode:
* users can disconnect or close app without game progress loose now;
* disconnect dialog will show active tables stats and additional options;
* all active tables will be restored on reconnect (tables, tourneys, games, drafts, sideboarding, constructing);
* user must use same server and username on next connection;
* there are few minutes for reconnect until server kick off a disconnected player from all player's tables (concede/loose);
* now you can safety reconnect after IP change (after proxy/vpn/wifi/router restart);
Other improvements and fixes:
* gui: main menu - improved switch panel button, added stats about current tables/panels;
* gui: improved data sync and updates (fixes many use cases with empty battlefield, not started games/drafts/tourneys, not updatable drafts, etc);
* gui: improved stability on game updates (fixes some random errors related to wrong threads);
* server: fixed miss messages about player's disconnection problems for other players in the chat;
* refactor: simplified and improved connection and network related code, deleted outdated code, added docs;
* tests: improved load test to support lands only set for more stable performance/network testing (set TEST_AI_RANDOM_DECK_SETS = PELP and run test_TwoAIPlayGame_Multiple);
