Addded Favorites notification database support
Added email service
Added email notifications for favorites
update library, fix sort and add search by id
Updated tag-updated field update behaviour
Merge remote-tracking branch 'origin/homepage-order' into stable
update settings page
add popular, featured notification settings
Update settings for notifications
Updated email data
update settings copy
Updated email address
Added random email
Updated registration email
Merge remote-tracking branch 'origin/notifications' into staging
Removed old code
Merge remote-tracking branch 'origin/notifications' into staging
Update security
Merge remote-tracking branch 'origin/notifications' into staging
Updated email 'From'