Frontend: Fix user password changing and use HTTP 307 for redirecting

frontend.pm

@@ -326,7 +326,7 @@ sub redirect {
 	my $aClient = $_[0];
 	my $aLocation = $_[1];
 
-	my $response = getBaseResponse(301, "Moved Permanently");
+	my $response = getBaseResponse(307, "Temporary Redirect");
 	$response.="Content-Length: 0\r\n";
 	$response.="Location: $aLocation\r\n";
 	$aClient->send($response);