util.sasl.scram: fix typo in error message.
mod_auth_internal_{hashed/plain}, sasl_aux.lib: refactor... (Fixes #143)
- Add all util functions
- Add all backends from authentication plugins
- Pair other backends with the external one and add proxying to 'em as well
mod_adhoc_cm: change the event which the plugin listens to.
util.sasl.{digest-md5/plain/scram}: uniform error messages layout.
sasl_aux.lib: fix traceback.