Merge https://github.com/codeshell/grav-plugin-comments into develop

comments.yaml

@@ -3,14 +3,13 @@ pingbacks: true
 commenting: true
 akismet_enabled: true
 warning_message: ""
-
+built_in_css: true
+ajax_callback: /nested-comments
 enable_on_routes:
   - '/blog'
-
 disable_on_routes:
   - /blog/blog-post-to-ignore
   - /ignore-this-route
-
 form:
     name: comments
     fields:
@@ -29,9 +28,9 @@ form:
           validate:
             required: true
 
-        - name: blah
+        - name: site
           label: PLUGIN_COMMENTS.SITE_LABEL
-          placeholder: "https://leetnightshade.com"
+          placeholder: 
           type: text
           validate:
             required: false
@@ -48,10 +47,6 @@ form:
           process:
             fillWithCurrentDateTime: true
 
-        - name: title
-          type: hidden
-          evaluateDefault: grav.page.header.title
-
         - name: lang
           type: hidden
           evaluateDefault: grav.language.getLanguage