add auto merge message when merging into deployment with manage.py
add auto merge message when merging into deployment with manage.py

cjfuller/labdb,dnsh9669/labdb,cjfuller/labdb,cjfuller/labdb,cjfuller/labdb,dnsh9669/labdb,dnsh9669/labdb,dnsh9669/labdb,cjfuller/labdb