Hi!
in order to make eea.daviz work in Plone 4.2.1.1 and upgrade eea.daviz
from 4.2, I had to add:
<include package="Products.CMFCore" file="permissions.zcml"
xmlns:zcml="
http://namespaces.zope.org/zcml"
zcml:condition="have plone-41" />
in
/eea.app.visualization-6.1-py2.6.egg/eea/app/visualization/controlpanel/configure.zcml
and pin eea.app.visualization to 6.1 and eea.jquery to 6.1 (I upgraded
from eea.daviz 4.2)