/post_{flags,appeals}: add uploader, approver, flag/appeal count columns.

Also include '»' links next to uploader/approver names for drilling down
the search by a given user.

app/models/post_appeal.rb

@@ -37,7 +37,7 @@ class PostAppeal < ActiveRecord::Base
     end
 
     def search(params)
-      q = where("true")
+      q = order("post_appeals.id desc")
       return q if params.blank?
 
       if params[:reason_matches].present?

app/models/post_flag.rb

@@ -45,7 +45,7 @@ class PostFlag < ActiveRecord::Base
     end
 
     def search(params)
-      q = where("true")
+      q = order("post_flags.id desc")
       return q if params.blank?
 
       if params[:reason_matches].present?