* Continued work on improving post view templates

* Added statistics-based estimator for related tag calculator
* Fleshed out IpBan class based on changes to Danbooru 1.xx

app/views/posts/partials/show/_edit.html.erb

@@ -0,0 +1,50 @@
+<div id="edit">
+  <% unless @current_user.is_contributor? %>
+    <div style="margin-bottom: 1em;">
+      <p>Before editing, read the <%= link_to "how to tag guide", wiki_page_path(:id => "howto:tag") %>.</p>
+    </div>
+  <% end %>
+
+  <% form_for(post) do |f| %>
+    <%= f.hidden_field :old_tags, :value => post.tag_string %>
+
+    <p>
+      <% if post.is_rating_locked? %>
+        This post is rating locked.
+      <% else %>
+        <%= f.label :rating_explicit, "Explicit" %>
+        <%= f.radio_button :rating, :e %>
+        
+        <%= f.label :rating_questionable, "Questionable" %>
+        <%= f.radio_button :rating, :q %>
+
+        <%= f.label :rating_safe, "Safe" %>
+        <%= f.radio_button :rating, :s %>
+      <% end %>
+    </p>
+    
+    <% if @current_user.is_privileged? %>
+      <p>
+        <%= f.label :is_note_locked, "Lock notes" %>
+        <%= f.check_box :is_note_locked %>
+      </p>
+      
+      <p>
+        <%= f.label :is_rating_locked, "Lock rating" %>
+        <%= f.check_box :is_rating_locked %>
+      </p>
+    <% end %>
+    
+    <p>
+      <%= f.label :source %>
+      <%= f.text_field :source %>
+    </p>
+    
+    <p>
+      <%= f.label :tag_string, "Tags" %>
+      <%= f.text_area :tag_string , :size => "50x3" %>
+    </p>
+    
+    <%= submit_tag "Submit" %>
+  <% end %>
+</div>