[Dovecot] v2.2.9 released

http://dovecot.org/releases/2.2/dovecot-2.2.9.tar.gz http://dovecot.org/releases/2.2/dovecot-2.2.9.tar.gz.sig

    + Full text search indexing can now be done automatically after
      saving/copying mails by setting plugin { fts_autoindex=yes }
    + replicator: Added replication_dsync_parameters setting to pass
      "doveadm sync" parameters (for controlling what to replicate).
    + Added mail-filter plugin
    + Added liblzma/xz support (zlib_save=xz)
    - v2.2.8's improved cache file handling exposed several old bugs
      related to fetching mail headers.
    - v2.2.7's iostream handling changes were causing some connections
      to be disconnected before flushing their output (e.g. POP3 logout
      message wasn't being sent)