dev: Don't show plugin menu when not superadmin
dev: TODO create pluginmanager right
dev: fixing add survey for non-superadmin user
dev: Allow to delete user from surveypermissions
dev: Fixed survey permission bug
dev: Fixed another survey permission error (no rights, just read on the survey should be enough)
dev: Adding active/inactive/expired to new admin menu (in plugin controller)
Fixed issue #08014: Incorrect language survey settings when access a restricted survey without token
Dev: Add language changer too (if in startpage.pstpl or survey.pstpl)
Dev: language changer work only with js, work on register or token enter
Dev: fixed issue #08102: CException when registering