AutoUpgradeTester/profile/ubuntu/DistUpgrade.cfg:
- add esound, esound-common and slocate to forced obsoletes
DistUpgrade/DistUpgradeView.py:
- return True on pulse() 
DistUpgrade/DistUpgradeViewNonInteractive.py:
- make the code clearer
- use DistUpgradeVIew.FetchProgress class
DistUpgrade/DistUpgradeViewText.py:
- removed duplicated and unneeded multiple inheritance