816 enforce security by default
Value from custom.env is used in docker-xivocc.yml - for installation will be set to true, for upgrade < 2017.LTS1 to false
Edit: per small request, the dialog question was changed to ask for DNS name.
Closes #816
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Value from custom.env is used in docker-xivocc.yml - for installation will be set to true, for upgrade < 2017.LTS1 to false
Edit: per small request, the dialog question was changed to ask for DNS name.
Closes #816