add i18n_domain in zcml to remove message:
WARNING: .../installed_eggs/zope.configuration-3.7.4-py2.7.egg/zope/configuration/fields.py:417: UserWarning: You did not specify an i18n translation domain for the 'title' field in .../plone.app.jquery/plone/app/jquery/upgrades.zcml
  "'%s' field in %s" % (self.getName(), context.info.file )