mod_http_oauth2: Only require redirect URIs when using grant types that need it In the Device flow, no redirect URI is used because the client instead receives responses by polling. It is therefore unnecessary to enforce a requirement that these include redirect URI(s).

This module produces more detailed HTTP logs for Prosodys built-in HTTP
server. The format is similar to that of Apache and go into Prosodys
normal logs at the `info` level.