Scheduling of quiet vs. verbose config saving

Rename the current ECONFIG_NEED_WRITE to ECONFIG_NEED_VERBOSE_WRITE
as it always broadcasts the result for SIGUSR1, even on success.
Keep ECONFIG_NEED_WRITE for cases where the config should be written
without a notification of success.

src/main.cpp

@@ -146,7 +146,7 @@ static void signalHandler(int sig) {
 		break;
 	case SIGUSR1:
 		CUtils::PrintMessage("Caught SIGUSR1");
-		CZNC::Get().SetConfigState(CZNC::ECONFIG_NEED_WRITE);
+		CZNC::Get().SetConfigState(CZNC::ECONFIG_NEED_VERBOSE_WRITE);
 		break;
 	default:
 		CUtils::PrintMessage("WTF? Signal handler called for a signal it doesn't know?");