[Apple ChatServer] Store connection port in SX structure.

Use it to log connection IP:PORT after authentication.
[Apple ChatServer] Support for see-other-host stream redirects.

Also support for reloading stream redirects after HUP.
[Apple ChatServer] Fixed deferred closing of FD
[Apple ChatServer] Use max accept queue specified by kern.ipc.somaxconn sysctl
[Apple ChatServer] MIO kqueue implementation
[Apple ChatServer] Simple message logging to a directory support
[Apple ChatServer] Delay router shutdown to allow proper component disconnection
[Apple ChatServer] Domain whitelisting support

When defined only whitelisted domains are allowed to connect
[Apple ChatServer] Support enforcing TLS secured S2S connections only
[Apple ChatServer] Fixes crash possible when two s2s instances are connected
[Apple ChatServer] Support for multihomed IPv4 + IPv6 machines
[Apple ChatServer] Support for DB query rate limitting
[Apple ChatServer] Socket closing and component shutdown fixes
[Apple ChatServer] log_user category
[Apple ChatServer] jabberd wrapper improvements
[Apple ChatServer] SQLite index on vCard owner
[Apple ChatServer] Disable weak SSL ciphers
Added missing static keywords
Fail on not existing ldapfull user. Fixes Bug 931622
Merged ldapvcard improvements from Gentoo