set zsed

src/main/java/gov/usgs/earthquake/nshmp/www/ServletUtil.java

@@ -196,6 +196,8 @@ public class ServletUtil {
     SiteData.Values sdValues = siteData.get(location);
     sdValues.z1p0.ifPresent(builder::z1p0);
     sdValues.z2p5.ifPresent(builder::z2p5);
+    sdValues.zSed.ifPresent(builder::zSed);
+    builder.gmmTrees(sdValues.gmmTrees);
     return builder.build();
   }