POLL: per-domain shared folder/sieve/etc

So Cyrus has three different types of domain split: * none at all * "on/yes" => weird reverse DNS hackery * userid => login with domain. As part of finally switching to unixheirarchysep: on (yay) and better key format (double yay) I want to change the overarching "split users into separate doma

Preparation for the Cyrus 2.5 release

So Ken had to head home today, and I've only really got tomorrow to work on things. The tree is looking pretty good. Here's the major headline features: * CalDAV/CardDAV * mboxevents * per message annotations * autocreate * sync-protocol-based XFER (not yet ported from Ken's 2.4 branch, I'm wor