WB 2.08.x

1. droplet >> [[SiteModified]] typo corrected
   ! upgrade-script.php >> new classes activated and little corrections
   ! WbAdaptor::getWbConstants() >> PageIconDir added

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

! WbDatabase added method fetchObject()
! WbAdaptor little typofixes
! /index.php added one more update of WbAdaptor

! WbAdaptor::getWbConstants() now on import skip constants holding database settings

/framework/AccessFile little Typofixes
/framework/AccessFileHelper added new method getDelTreeLog() and add const LOG_PRESERVE and LOG_CLEAR
set WbAdaptor::AppName to 'WebsiteBaker'

protect magic setter to fix security issue in WbAdapter

fixed PagesDir in WbAdaptor: no more single slash in this entry.

update classes Translate, TranslateTable, TranslateAdaptorWbOldStyle
added interface TranslateAdaptorInterface
added Klasse_Translate_de.pdf
update class WbAdaptor
update /framework/initialize.php

added temporary class WbAdaptor (replacement for future registry) needed for some new objects