Broken parameter bindings for registration and PW reset mails

Regression introduces by YAML config related changes in commit aaff71fe.

changed milestone to %3.0-beta1

added bug regression labels

mentioned in commit 5883c410

mentioned in merge request !146 (merged)

mentioned in commit 6857395b

mentioned in commit 6605da19

mentioned in commit a4f5cad9

mentioned in commit 332b8d95

closed via merge request !146 (merged)

mentioned in commit 32ffccb1