Email alert from admin if and when hosting or .htaccess changes to all registered admin users, for Interface Continuity and user clarity. See full list of user requests and rationale at: [https://docs.google.com/document/d/1lpg_KTQQ0twXyOTTdGYmo4HHmHZpTVPjmUlPeZ6BGAY/edit?usp=sharing]