Edited Unassigned: Remove existing msi rules at update level when creating superseding updates [268]

Hi,

when creating superseding updates with Version 1.3.1504.15 msi rules at update Level should be removed automatically.
See this threads too:
https://wsuspackagepublisher.codeplex.com/workitem/259
https://wsuspackagepublisher.codeplex.com/workitem/267

Regards
Norbert