Translation updates: * Italian (#3501) * Korean (#3552)
Adds permalinks to message replies (#3587).
Adds links to issues in reminder HTML template (#3541).
Ability to send an email with password when changing a user's password (#3566).
Adds breadcrumbs to Group views.
Prevents unauthorized user groups assignment.
Administration panel breadcrumbs (#3314).
Redirect to user view when adding user and fixes default redirect on user edit.
Do not redirect to the users list when editing user.
User groups initial commit.
