The tray protocol only allows setting a single set of colors for all symbolic trayicons; we use the message-tray's theme node to set that. https://bugzilla.gnome.org/show_bug.cgi?id=641060
Define the ordering for well-known icons; see the page http://live.gnome.org/Features/StandardIconOrdering https://bugzilla.gnome.org/show_bug.cgi?id=598313
notification are to the panel. A bit warty, but we don't know how we want the final UI to look anyway. (The fact that transparency doesn't work is a known bug.) svn path=/trunk/; revision=44