Moving business unit listing to new reporting framework

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extra : source : fc475e5e792374fe45db58b0d4b618ef9c5575e9
Most of problems fixed.  Clicking through still not working

--HG--
extra : source : 74c683ff5dff4370e08f29d7c46b3f4dad47e16a
Porting report to pgobject framework
Fixing business unit report click-through

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extra : source : 41eefc7b025d70234f3793525551643fd7d82d51