Re-jigged some of the registration routes and modified the buttons/links to use them

locale/en_US/messages.php

@@ -71,6 +71,8 @@ return [
             'TOKEN_NOT_FOUND'           => 'Approval token does not exist / Organisation is already approved/rejected.',
             'APPROVED'                  => 'You have successfully approved the organisation <strong>{{name}}</strong>.',
             'REJECTED'                  => 'You have successfully rejected the organisation <strong>{{name}}</strong>.',
+            'APPROVE'                   => 'Approve organisation',
+            'REJECT'                    => 'Reject organisation',
         ],
     ],