User profiles: use name instead of id in links to post edits

app/presenters/user_presenter.rb

@@ -82,7 +82,7 @@ class UserPresenter
   end
 
   def post_version_count(template)
-    template.link_to(user.post_update_count, template.post_versions_path(:search => {:updater_id => user.id}))
+    template.link_to(user.post_update_count, template.post_versions_path(:search => {:updater_name => user.name}))
   end
 
   def note_version_count(template)

app/views/users/_statistics.html.erb

@@ -112,7 +112,7 @@
         <td>
           <%= presenter.upload_count(self) %>
           <% if presenter.has_uploads? %>
-            (<%= link_to "tag changes report", post_versions_path(search: { updater_id: user.id, version: 1 }, type: "current") %>)
+            (<%= link_to "tag changes report", post_versions_path(search: { updater_name: user.name, version: 1 }, type: "current") %>)
           <% end %>
           <% if CurrentUser.is_moderator? %>
             [<%= link_to "sample", posts_path(:tags => "user:#{user.name} order:random limit:#{PostSets::Post::MAX_PER_PAGE}") %>]