Prepared sql upgrade script
Updated upgrade.sql; Added systemmanager.php
Modified SQL query for DB upgrade
Added system configurtion interface
Modified systemmanager.php to work with new table structure
Updated menu
Updated version number
Removed old comment
Bugfix: Wrong index in $row-Array in method GetSetting
Included dynamic voucher text in printable PDF
Merge pull request #16 from litzi0815/V-0.3.2

V 0.3.2