Update version to 3.4.0
Update version to 3.4.0

marcjansen/mapfish-print,mapfish/mapfish-print,Galigeo/mapfish-print,mapfish/mapfish-print,marcjansen/mapfish-print,mapfish/mapfish-print,sbrunner/mapfish-print,marcjansen/mapfish-print,sbrunner/mapfish-print,marcjansen/mapfish-print,Galigeo/mapfish-print,sbrunner/mapfish-print,mapfish/mapfish-print,mapfish/mapfish-print,Galigeo/mapfish-print