To deployment doc: Adds recommendations to secure cookies from cross site scripting and mentions how to disable browser autocompletion on the authentication form.
To local_settings.py.example: Adds commented lines showing the CSRF_COOKIE_SECURE and SESSION_COOKIE_SECURE settings and recommending that the lines are uncommented if Horizon is being served through HTTPS.
Change-Id: I0e2516c9c16622561a9b7955aa4b9db87a8410ee
Fixes: bug #1118194
c70ceb75f2