For #95. You can now make posts with no text in the body if you have attachments. And now if you create a new topic with an attachment, and the POST fails (say you forgot the topic title), we will now re-attach attachments. Also fixed a bug in the smiley code that would arise if it was asked to markup an empty string.

"""
Settings to use when running tests. Uses sqlite for speed.
This idea was taken from
http://blog.davidziegler.net/post/370368042/test-database-settings-in-django
"""
from settings import *

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': 'dev.db',
    },
}