[jadmin] jabberd-2.3.1 release

[Tomasz Sterna]

Next jabberd2 release is available.

Get 2.3.1 release at GitHub: https://github.com/jabberd2/jabberd2/releases


This release deals with "TLS Everywhere" problems introduced in 2.3.0.
This feature was moved under EXPERIMENTAL umbrella.
If you want to enable it, you now need to ./configure --enable-experimental


Changes:
* Marked "TLS-Everywhere" as EXPERIMENTAL feature
* default EXPERIMENTAL to 'no'
* default SUPERSEDED to 'no'
* moved STANZA-ACK and MY-IP-ADDRESS XEPs and IQ-PRIVATE push out
of experimental status

For a full change log see: https://github.com/jabberd2/jabberd2/commits/jabberd-2.3.1