Tech pages

The goal here, is to rework the Tech pages at http://xmpp.org/about-xmpp/technology-overview/

XMPP Technologies
The following pages provide an introduction to various XMPP technologies, including links to specifications, implementations, tutorials, and special-purpose discussion venues. You may want to read the technology overview before diving into the details.


 * Core -- information about the core XMPP technologies for XML streaming
 * BOSH -- an HTTP binding for XMPP (and other) traffic
 * Jingle -- SIP-compatible multimedia signalling for voice, video, file transfer, and other applications
 * Multi-User Chat -- flexible, multi-party communication
 * PubSub -- alerts and notifications for data syndication, rich presence, and more
 * OMEMO -- implementation guides to OMEMO

New tech pages
To be worked:
 * Reliability -- AMP, message receipts, stream management, Ping, keepalive, etc.
 * Privacy -- presence subscriptions, privacy lists, simple communication blocking, etc.
 * Admin -- DNS SRV, certificates, etc.
 * Disco -- what is this "disco" thing?