Drop broken version

(Portage version: 2.2.8-r1/cvs/Linux x86_64, signed Manifest commit with key A188FBD4)
Apply some fixes from upstream 3.8 branch that also solves crash with IMAP folder creation (#504062 by Jaroslaw Strauchmann)

(Portage version: 2.2.8-r1/cvs/Linux x86_64, signed Manifest commit with key A188FBD4)
Version bump, drop old

(Portage version: 2.2.8-r1/cvs/Linux x86_64, signed Manifest commit with key A188FBD4)
Version bump

(Portage version: 2.2.8-r1/cvs/Linux x86_64, signed Manifest commit with key A188FBD4)