Actually save model object upon change. This commit was tested on the comments model. Additional logging added. Added check for Markdown image references. Added TODOs after observing behavior on comments.

"""
Celery tasks for the POTD app.

"""
from __future__ import absolute_import

from celery import shared_task

import potd.tools


@shared_task
def pick_potd():
    potd.tools.pick_potd()