Fixed the Products.CMFCore permission import to being still plone 3.3 compatible.

Removed also the z3c.autoinclude automatic import of dependencies (this not always work, at least on MacOS when setuptools is not present, but only distribute.

Also close #11
Remove registry entries on uninstall. Close #8
Uninstall will now remove other stuff
added italian translation
we don't need the i18n folder
i18n fixes
when uninstall, remove the IChildSite interface from all objects marked as subsite
fixed conflict