WB 2.08.x

! complete rebuild of wb/install/ - changed to use import-struct.sql
! change class WbDatabase from mysql to msqli
! rework of WbDatabase::importSql()
! function db_update_key_value() optimized for speed
! field `settings_id`removed from table `settings` and new primary key set to `name`...

1. typofix of class name in class.login and depending files

1. fixes from rev.2098/99

1. first fixes from rev.2098

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

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

+ Translate::enablePrivateTable() allows to add more private language definitions
+ Translate::disablePrivateTable()
! TranslateAdaptorWbOldStyle move hardcoded foldername into a variable

! /functions::make_thumb() set JPG-compression to 100%
! /database::showError() output text corrected
! ../captcha.php::call_captcha() imagesize corected
! droplet >> [[SiteModified]] recoded
! droplet >> [[ModifiedWhen]] recoded
! install/index length of password restricted to 30 chars

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

! modules/output-filter remove a string from display output