haproxy checks for site-id/getId response, but the site does not exists yet, so
it disallows to access the site.

In case of instantiating erp5 software type the later buildout will fail with
correct error message. But template is generated *always*, even in cases when
some data are not available yet.

Thanks to this all goodies provided by GenericBaseRecipe are available to
"connected" recipes.

Also drop another legacy, as it was migrated to profile based idea.

Force usage of what I (Romain) consider as good logrotate configuration for
now.

In order to stabilise it zodb path has to be calculated early.

Do not always use 'name' as filename, or it only generates one file...

It seems that <= works only for one section (parameters from deeper sections)
are not available on top one.

This reverts commit 6a1dc3da.

It seems that more then one section with <= is not supported correctly.