In ndcode_site, get contact form working again with new style form and API

diff --git a/ndcode_site b/ndcode_site
index 6d2cdae..a0a7465 160000 (submodule)
--- a/ndcode_site
+++ b/ndcode_site
@@ -1 +1 @@
-Subproject commit 6d2cdae0d153a3601b0a0855de1530cc4417788e
+Subproject commit a0a746525f210f9f27684e76ee9824ca2fd89281