Bugs:

Bugs:
- for qt-3.3.3 "Check native products" dialog box is not closed after check finiching
- check existence and execute permissions for installation scripts (even for products which are not being installed)
- compilation problems on Mandrake 10.1

Imps:
- provide "Save installation log" operation
- provide "Stop" button to stop/restart installation
- use bash instead csh to launch SALOME (fix pb with long environment variables)