WB 2.08.x

! update revision properties for all files
- include/Sensio/Twig remove Version 1.13.2

1. /admin/users bugfixes user deactivating and deleting

1. fixed output activation conformation
2. fixed deleting Users awaiting activation
   ! add YYYY-MM-DD in date_formats dropdown

! Complex code refactoring users management

1. fixed Illegal string offset 'time' in \framework\SecureForm.mtab.php
   ! add delete Outdated Confirmations in backend
   ! show waiting Activations if exists in user management
2. fixed html validaton errors in user management
   ! security fixes in admin/preferences/...

wb theme styling

! update folder admin/groups, admin/users, admin/skel/htt

+ move admin/themes/templates/ to admin/skel/themes/htt/
! and update class.wb.php, upgrade-script.php