- create, edit & update the header
- install & update eGW
- config eGW
- create admin account
- install & update languages
- create & restore (install) backups
---> update, languages & backup can work for all domains at once
---> for use in 1.2 you have to update/switch the whole setup app to HEAD/trunk
+ setup_demo gives errors under postgres
+ setup_demo can save special chars in the admin name
- renamed setup_demo into admin_account, as setting up demo accounts is the least used function of it
- fixed warning db::delete missing params, if delete_all was checked