renderPDF must not be bound to a class, because it's only used as a "regular" monkey patch for CMFReport's version. This change fixes PDFTemplate under Zope 2.8.
Updated some logs (even if they are commented out) to follow the naming change.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@13751 20353a03-c40f-0410-a6d1-a30d3c3de9de