Turn Card, Deck_List, Protocol, RNG, Server, Settings and Utility into libraries and remove cockatrice_common.

Took 6 hours 3 minutes

Took 31 seconds

libcockatrice_server/libcockatrice/server/game/server_spectator.cpp

@@ -0,0 +1,11 @@
+#include "server_spectator.h"
+
+Server_Spectator::Server_Spectator(Server_Game *_game,
+                                   int _playerId,
+                                   const ServerInfo_User &_userInfo,
+                                   bool _judge,
+                                   Server_AbstractUserInterface *_userInterface)
+    : Server_AbstractParticipant(_game, _playerId, _userInfo, _judge, _userInterface)
+{
+    spectator = true;
+}