mod_http_oauth2: Return status 405 for GET to endpoints without GET handler Endpoints that only do POST have the weird side effect that a GET query to them return 404, which doesn't quite feel like the right semantics.

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summary: Store authentication events in the audit log
rockspec:
  dependencies:
  - mod_audit
...

This module stores authentication failures and authentication successes in the
audit log provided by `mod_audit`.