Implement comment hiding

Currently hides replies too, even comments from users who are logged in.

templates/moderator.html

@@ -5,3 +5,11 @@
 <input type=submit value="{{ 'Unhide' if hidden else 'Hide' }}">
 </form>
 {% endmacro %}
+
+{% macro moderate_comment(id, hidden) %}
+<form method=post action="{{ url_for('set_hide_comment', comment_id = id) }}" style=display:inline>
+<input name=redirect value="{{ request.full_path }}" hidden>
+<input name=hide value={{ 0 if hidden else 1 }} hidden>
+<input type=submit value="{{ 'Unhide' if hidden else 'Hide' }}">
+</form>
+{% endmacro %}