#975 Add statistics for unauthenticated/unencrypted s2s connections when relevant
Description of feature:
mod_s2s already exports the number of connections, it would be nice to also know how many of these are using an invalid certificate or worse, are still unencrypted.
It would make you cry.
This will be easier when I finish the metric tagging API. However it probably won't be in the next major release.