log: do no expect templateresources() returning a dict The resources dict will be replaced with new resource mapper object, which won't implement __getitem__(key). Share the whole resources object with _graphnodeformater() to make porting easier.

templatekw: mark _showlist() as deprecated (API) .. api:: ``templatekw._showlist()`` is deprecated in favor of ``templateutil._showcompatlist()``, which takes ``context`` in place of ``templ``.