Various federation fixes

src/routes/posts.rs

@@ -107,7 +107,7 @@ fn create(blog_name: String, data: Form<NewPostForm>, user: User, conn: DbConn)
                 license: form.license.to_string(),
                 ap_url: "".to_string()
             });
-            post.update_ap_url(&*conn);
+            let post = post.update_ap_url(&*conn);
             PostAuthor::insert(&*conn, NewPostAuthor {
                 post_id: post.id,
                 author_id: user.id