dovecot updated to 2.2.29

fts-tika: Fixed crash when parsing attachment without
  Content-Disposition header. Broken by 2.2.28.
trash plugin was broken in 2.2.28
auth: When passdb/userdb lookups were done via auth-workers, too much
  data was added to auth cache. This could have resulted in wrong
  replies when using multiple passdbs/userdbs.
auth: passdb { skip & mechanisms } were ignored for the first passdb
oauth2: Various fixes, including fixes to crashes
dsync: Large Sieve scripts (or other large metadata) weren't always
  synced.
Index rebuild (e.g. doveadm force-resync) set all mails as \Recent
imap-hibernate: %{userdb:*} wasn't expanded in mail_log_prefix
doveadm: Exit codes weren't preserved when proxying commands via
  doveadm-server. Almost all errors used exit code 75 (tempfail).
ACLs weren't applied to not-yet-existing autocreated mailboxes.
Fixed a potential crash when parsing a broken message header.
cassandra: Fallback consistency settings weren't working correctly.
doveadm director status <user>: "Initial config" was always empty
imapc: Various reconnection fixes.

.gitignore

@@ -108,3 +108,4 @@ pigeonhole-snap0592366457df.tar.bz2
 /dovecot-2.2.27.tar.gz
 /dovecot-2.2.28.tar.gz
 /dovecot-2.2-pigeonhole-0.4.17.tar.gz
+/dovecot-2.2.29.tar.gz