Synchronize on network game start, so that everyone has received all avatars and player names before the game starts. Store all computer players in a separate list on the server for name retrieval.

src/net/socket_msg.h

@@ -61,6 +61,7 @@
 #define ERR_NET_BUF_INVALID_SIZE		117
 #define ERR_NET_INVALID_REQUEST_ID		118
 #define ERR_NET_WRONG_AVATAR_SIZE		119
+#define ERR_NET_START_TIMEOUT			120
 
 #define ERR_IRC_INTERNAL				151
 #define ERR_IRC_CONNECT_FAILED			152