WB 2.08.x

! activate class Translate for all addons in admin/ (except pages/)
! class.admin >> add translation of the current theme to Translate

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

add new backend theme handling (Tks to Stefek)

update headerinfos

Created 2.8.x branch

reworked logout to reset possible remember key in database when logging out

Copyright notices now includes 2009

added the "users in multiple groups" feature (closes parts of ticket #546)

Changed all copyright notices to include now 2008

Added 2007 to all copyright notices
Added missing ID Keywords
Removed not Unix conform line endings