Add hint for renaming wikis/artists

app/views/wiki_pages/_form.html.erb

@@ -2,9 +2,17 @@
   <%= error_messages_for("wiki_page") %>
 
   <%= simple_form_for(@wiki_page) do |f| %>
-    <% if @wiki_page.new_record? || CurrentUser.user.is_builder? %>
-      <%= f.input :title, :as => :string %>
-    <% end %>
+    <div class="input">
+      <label for="wiki_page_title">Title</label>
+      <% if @wiki_page.new_record? %>
+        <%= text_field "wiki_page", "title" %>
+      <% elsif CurrentUser.user.is_builder? %>
+        <%= text_field "wiki_page", "title" %>
+        <span class="hint">Change to rename this wiki page</span>
+      <% else %>
+        <p><%= @wiki_page.title %></p>
+      <% end %>
+    </div>
 
     <%= f.input :other_names, :as => :text, :label => "Other names (<a href='/wiki_pages/help:translated_tags'>view help</a>)".html_safe, :hint => "Names used for this tag on other sites such as Pixiv. Separate with spaces." %>