Fixes and Additions:

- ADD: added a new setting into the propprotection menu to allow
non-admins to touch world-props
- ADD: added exception for AdvancedDuplicator2
- FIX: using toolgun on world didn't work
- FIX: propprotection panel didn't update, if someone just got
superadmin rights
- FIX: players, who don't have superadmin rights, got an error, as they
opened the cleanup menu
- FIX: creatortool protection didn't work correctly
- FIX: AdvDuplicator1 didn't work correctly