Update base.txt to reinstate packages that are used directly by a wagtail site, but with >= version definitions so that they don't get left behind in Wagtail upgrades. Also switch to a release version of wagtail, rather than git master.
Update base.txt to reinstate packages that are used directly by a wagtail site, but with >= version definitions so that they don't get left behind in Wagtail upgrades. Also switch to a release version of wagtail, rather than git master.

kaedroho/wagtaildemo,torchbox/wagtailapidemo,dudunato/ywam-cerrado,kaedroho/wagtaildemo,jmcarp/wagtaildemo,gasman/wagtaildemo,gasman/wagtaildemo,torchbox/wagtailapidemo,jalourenco/wagtaildemo,dudunato/ywam-cerrado,gasman/wagtaildemo,kaedroho/wagtaildemo,marceloboth/wagtail-cms,lincolnloop/wagtaildemo,jmcarp/wagtaildemo,lincolnloop/wagtaildemo,ThibWeb/wagtaildemo,marceloboth/wagtail-cms,lincolnloop/wagtaildemo,ThibWeb/wagtaildemo,jmcarp/wagtaildemo,torchbox/wagtaildemo,ThibWeb/wagtaildemo,lincolnloop/wagtaildemo,dudunato/ywam-cerrado,jmcarp/wagtaildemo,ThibWeb/wagtaildemo,gasman/wagtaildemo,kaedroho/wagtaildemo,torchbox/wagtailapidemo,dudunato/ywam-cerrado,jalourenco/wagtaildemo,torchbox/wagtailapidemo,torchbox/wagtaildemo,torchbox/wagtaildemo,marceloboth/wagtail-cms,jalourenco/wagtaildemo,torchbox/wagtaildemo