* All users can now view deleted posts.

* Posts now have an is_banned flag for artist removal requests.  Basic users can not view banned posts but gold and higher can.
* Banning an artist both deletes the post and bans it.
* By default deleted posts are not filtered out of post searches at the sql level.

app/logical/post_query_builder.rb

@@ -139,8 +139,6 @@ class PostQueryBuilder
       relation = relation.where("posts.is_deleted = TRUE")
     elsif q[:status] == "all" || q[:status] == "any"
       # do nothing
-    else
-      relation = relation.where("posts.is_deleted <> TRUE")
     end
 
     if q[:source]