Merge seader from https://github.com/bettse/seader

# Conflicts:
#	seader/seader_worker.c

seader/seader_worker.c

@@ -301,8 +301,6 @@ NfcCommand seader_worker_poller_callback_iso14443_4a(NfcGenericEvent event, void
             break;
         case Iso14443_4aErrorTimeout:
             break;
-        case Iso14443_4aErrorSendExtra:
-            break;
         }
     }