2.9.2 release (mirmon support, documentation, bugfixes)

MirrorBrain 2.9.2 has been released! Changes:

• Large documentation updates.
• Support for easy mirmon integration. Deploy mirmon without maintaining an extra mirror list for it.
• mod_autoindex_mb now works with Apache's directory index is configured with the HTMLTable option switched on.
• Again, large documentation updates.

See the 2.9.2 release notes for more verbose details.