Initial impl of configuration page

src/wa/server/page/ConfigPage.java

@@ -61,6 +61,8 @@ public class ConfigPage implements WAPage{
                                   Map<String, String> request) {
         try {
             Templator tmpl = new Templator(FileUtil.find(TMPL_FILE));
+            tmpl.set("headers", null);
+            tmpl.set("data", null);
             return tmpl;
         } catch (IOException e) {
             log.log(Level.SEVERE, null, e);