fif inlined relation forms pb w/ new ajax forms.
We've to ensure the varmaker is properly initialized when generating
a form where we may add new subentities, which will use ajax call to
generate the subform while this subform expect a varmaker to be set.
from os.path import join
from cubicweb.toolsutils import create_dir
option_renamed('pyro-application-id', 'pyro-instance-id')
create_dir(join(config.appdatahome, 'backup'))