* New message email
* Mentioned in a comment
* File backup email
* Feedback email
* Administrator logged in email
* Upcoming events email
* minor
* Add header title and indicator color
* Replace a typeof test against undefined with comparison against a string
* Add rel='noopener noreferrer' attributes to target='_blank' links
* Remove a duplicate object property definition
* Remove superfluous argument to function call
* Remove some variable declarations for which the assigned value is never read
* Remove an assignment to a variable that is never read
* [Minor] Allow user to set limit for downloadable backups for the site
* [Fix] Updated path for daily_long and weekly_long dropbox backup hooks
* [Fix] Updated system_settings.json
