switching entrypoint to use manage_django script

Author: Marcus Levine

files/entrypoint.sh

@@ -6,7 +6,7 @@ if [[ $@ == *"gunicorn"* || $@ == *"runserver"* ]]; then
     if [ -f ${DJANGO_ROOT}/${PROJECT_NAME}/manage.py ]; then
         /usr/bin/wait_on_postgres.py 
         if [ "$?" == "0" ]; then
-            ${DJANGO_VENV}/bin/python ${DJANGO_ROOT}/${PROJECT_NAME}/manage.py migrate --fake-initial --noinput           
+            /usr/bin/manage_django.sh migrate --fake-initial --noinput           
         fi
     fi
 fi