Update base.txt
Update base.txt

Particularly to get object ordering fix https://github.com/torchbox/django-modelcluster/pull/8
ThibWeb/wagtaildemo,lincolnloop/wagtaildemo,lincolnloop/wagtaildemo,achubb/wagtaildemo-heroku,dudunato/ywam-cerrado,jmcarp/wagtaildemo,jmcarp/wagtaildemo,jalourenco/wagtaildemo,gasman/wagtaildemo,achubb/wagtaildemo-heroku,jmcarp/wagtaildemo,gasman/wagtaildemo,marceloboth/wagtail-cms,kaedroho/wagtaildemo,dudunato/ywam-cerrado,ThibWeb/wagtaildemo,lincolnloop/wagtaildemo,ThibWeb/wagtaildemo,achubb/wagtaildemo-heroku,marceloboth/wagtail-cms,marceloboth/wagtail-cms,torchbox/wagtaildemo,kaedroho/wagtaildemo,jalourenco/wagtaildemo,jalourenco/wagtaildemo,torchbox/wagtailapidemo,torchbox/wagtailapidemo,dudunato/ywam-cerrado,torchbox/wagtaildemo,gasman/wagtaildemo,torchbox/wagtaildemo,kaedroho/wagtaildemo,jmcarp/wagtaildemo,kaedroho/wagtaildemo,gasman/wagtaildemo,dudunato/ywam-cerrado,torchbox/wagtailapidemo,torchbox/wagtailapidemo,ThibWeb/wagtaildemo,lincolnloop/wagtaildemo,torchbox/wagtaildemo