2) $GLOBALS['phpgw{_info}'] ==> $GLOBALS['egw{_info}']
3) moved setup-classes from phpgwapi/inc back to setup/inc (they are not used anywhere else, but in setup)
- the backup is independent of the used DB and can eg. be used to port an install to an other DB type
- autom. backup before upgrades of the DB structure
- installing backups instead an installation from scratch
- own backup screen in setup and admin to:
+ shedule repeating backups
+ up- and download of backups
+ creating and restoring backups