mod_http_oauth2: Change password grant to take username instead of JID [BC] For consistency since the other grant types do not accept JIDs This has been like this from the beginning of this module. Changing this breaks backwards-compatibility with anything that relied on the JID as username, but things shouldn't really be using the password grant anyway as it is insecure.

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.