mod_sasl2_bind2, mod_sasl2_sm: Remove bind2 <features/> wrapper element
This was dropped from the spec. It's more consistent with SASL2.
---
labels:
- Stage-Alpha
...
Introduction
============
This is an experimental authentication module that does an asynchronous
HTTP call to verify username and password.
Details
=======
When a user attempts to authenticate to Prosody, this module takes the
username and password and does a HTTP GET request with [Basic
authentication][rfc7617] to the configured `http_auth_url`.
Configuration
=============
``` lua
VirtualHost "example.com"
authentication = "http_async"
http_auth_url = "http://example.com/auth"
```
Compatibility
=============
Requires Prosody trunk