WB 2.08.x

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

! update jsadmin module and set Version to 1.4.1
! update news module and set Version to 3.8.7

! settings move website_signature to mailer settings
! fix html validate error in pages sections
! add pages field page_code to class.frontend.php
! optimized jsadmin backend.css

! update dragdrop reorder positions of a page tree

1. fixed dragdrop for pages overview

! update upgrade-script, now don't overwrite existings values in settings
+ add field tooltip to table pages in installer
! change some module tool_icon.png (Tks to Stefek)
! add date_time string to backup_droplets.zip
- search and comment out founded require_once(WB_PATH."/framework/class.database.php"); ...

1. fixed add-ons upload error (tks to DBS)
   + add tool_icon.png to core module
   ! update outpu_filter success an error messages
   ! small redesign wb_themes
2. fixed old.format.inc.php fileformat to unix

some validation fixes in backend

did some changes and fixes found by testers

continue updating headerinfos, adding upgrade scripts to module