[bwcompat] also set response headers in error cases
I had this sitting around in my local copy, I don't remember why I
needed this but it seems correct.
from pyramid.config import Configurator
def main(global_config, **settings):
""" This function returns a Pyramid WSGI application.
"""
config = Configurator(settings=settings)
config.include('pyramid_cubicweb.init_instance')
config.include('pyramid_cubicweb.defaults')
config.include('pyramid_cubicweb.core')
config.include('pyramid_cubicweb.bwcompat')
# config.add_static_view('static', 'static', cache_max_age=3600)
# config.add_route('home', '/')
# config.scan()
return config.make_wsgi_app()