Use 'wsgicors' for CORS handling. The CW CORS handling (in web/cors.py) is only able to work on cubicweb requests. When a request is not handled by bwcompat, we need a proper solution. The `wsgicors` library provides what we need as a wsgi middleware.

"""cubicweb-pyramid application package

Add the 'pyramid' command to cubicweb-ctl"
"""