mod_http_oauth2: Disable CORS for authorization endpoint
Per recommendation in draft-ietf-oauth-security-topics-23
Hopefully it is enough to return an error status, since mod_http will
add CORS headers from a handler with higher priority, even for OPTIONS.
2c07bcf56a36d6e74dc0f5422e89bd61f4d31239 0.8-diverge
1656d4fd71d07aa3a52da89d4daf7723a555e7dd last-google-code-commit