fix typos in UPGRADING
fix typos in Kernel/Scheduler.pm
fix typos in Kernel/Modules/AdminSysConfig.pm
fix typos in Kernel/Modules/AdminScheduler.pm
fix typos in Kernel/Modules/AdminProcessManagementPath.pm
fix typos in Kernel/Language.pm
fix typos in Kernel/Config.pm.dist
fix typos in Kernel/Modules/AdminDynamicFieldDateTime.pm
fix typos in Kernel/Modules/AdminMailAccount.pm
fix typos in Kernel/Modules/AdminProcessManagementActivity.pm
fix typos in Kernel/Modules/AdminProcessManagementTransition.pm
fix typos in Kernel/Modules/AgentTicketActionCommon.pm
fix typos in Kernel/Modules/AgentTicketPrint.pm
fix typos in Kernel/Modules/AgentTicketZoom.pm
fix typos in Kernel/Modules/CustomerPreferences.pm
fix typos in Kernel/Modules/AgentTicketForward.pm
fix typos in Kernel/Modules/AdminCustomerUserService.pm
fix typos in Kernel/Modules/AdminGenericInterfaceTransportHTTPSOAP.pm
fix typos in Kernel/Modules/AdminDynamicField.pm
fix typos in Kernel/Modules/AdminProcessManagementActivityDialog.pm