The only real issue was that ActivityTool was deriving from
BaseTool, this having isIndexable = True, and not being a
portal type (a.k.a no isResourceType kind of methods) and
raising errors when indexed.
Now, ActivityTool has a portal type, and such issues are gone.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@43198 20353a03-c40f-0410-a6d1-a30d3c3de9de