WB 2.08.x

1. bugfix Undefined variable: sName in .../framework/functions.php
2. bugfix droplet ShowWysiwyg Undefined variable: module

1. solved installation issues
   ! upgrade-script sanitize pages_directory before creating access files

solved renaming access files by page settings if php as apachehandler

! change mysql_esc_string to WbDatabase::getInstance()->escapeStrinng()

! fixed pagetree header

1. typofix in class TranslateTable
   ! framework/functions.php set function create_access_file to deprecated
   ! set ModLanguage.php to deprecated
   ! add methode escapeString to class WbDatabase
   ! update upgrade-script.php
   ! add getter property LastInsertId to class WbDatabase

update initialize.php for changed Twig-dir and activated cache in Translate
initialize can handle now the new setup.ini format also.

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

updated Twig template engine to stable version 1.12.2

updated Twig template engine to stable version 1.12.2