This major patch switches Geary to using XLIST whenever possible
to identify special folders. Because it's now possible for special
folders to be identified by MailboxAttributes and/or hard-coded
paths, needed to find a flexible system for the various flavors to
identify them as such.
Courtesy Timo Kluck.
Email addresses were being stored in the database in a human-readable fashion, not proper
quoted RFC 822 format. This fixes that, as well as another error this exposed in
MessageListCellRenderer dealing with situations where no From: is available. Courtesy
Charles Lindsay.
