admin: add manual "Send Password reset" to accounts tab

Only appears with Reset links enabled.
Pressing this sends a PWR link to the users selected.
if one user is selected, or if one of you selected users doesn't have a
method of contact, a link is given to the admin to send to them
manually.

lang/form/de-de.json

@@ -14,7 +14,6 @@
         "createAccountButton": "Konto erstellen",
         "passwordRequirementsHeader": "Passwortanforderungen",
         "successHeader": "Erfolgreich!",
-        "successContinueButton": "Weiter",
         "confirmationRequired": "E-Mail-Bestätigung erforderlich",
         "confirmationRequiredMessage": "Bitte überprüfe dein Posteingang und bestätige deine E-Mail-Adresse.",
         "yourAccountIsValidUntil": "Dein Konto wird bis zum {date} gültig sein.",