Merge branch 'feature/RAZ-3163' into feature/RAZ-3165

* feature/RAZ-3163:
  RAZ-3163: On asset expiration send out notification to groups - Code cleanup and tweaks
  RAZ-3163: On asset expiration send out notification to groups - Added notification to be sent out to groups that are not read-only and have access to the expired asset(s)
RAZ-3165: Customise Notification
- Added a new section called 'Email Setup' in admin
- Moved existing email setup from setting to the new section
- Added support for user to modify emails being sent for folder_subscribe, asset_expiry and duplicate asset notifications
- Asset thumbs will be included automatically in notifications for folder_subscribe and asset_expiry
RAZ-3174: Customization: Added custom metadata to show in folderview
Merge branch 'feature/RAZ-3165' of github.com:razuna/razuna into develop

Conflicts:
	global/cfc/update.cfc
	global/host/dam/controller/circuit.xml.cfm
	global/translations/English/HomePage.properties