WB 2.08.x

1. TranslateAdaptorWbOldStyle::_getAddonPath now ignores a missing language file
   ! admin::print_header() now provides all translations in theme::header.htt and accepts language files in theme
   ! admin::print_footer() now provides all translations in theme::footer.htt and accepts language files in theme

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

package Translate: creating language path in TranslateAdaptorWbOldStyle with modified admin-path fixed

TranslateAdaptorWbOldStyle forgotten second arg for trim added

TranslateAdaptorWbOldStyle now also accepts modified admin directory names

some small fixes in packet Translate
added option to disable cache
added option to keep placeholders if no translation was found

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

added new translation classes (Translate/TranslationTable/TranslateAdaptorWbOldStyle) for easy handling of language files
initialize and activate class Translate in /framework/initialize.php