Acceptance Criteria
- Users that chose the newly added salutation option "divers" are addressed as "Hallo first_name last_name,".
- The above change is applied to the following outgoing e-mails:
- donation confirmation
- donation moderation
- donation cancellation
- membership application confirmation
- membership application cancellation
Implementation Notes:
- On the PHP side of things, have a look at GreetingGenerator
- Refactor GreetingGenerator and reduce the amount of switch statements.