[dovecot/core] 9049fe: v2.2.28.rc1 released

[GitHub]

  Branch: refs/heads/release-2.2.28
  Home:   https://github.com/dovecot/core
  Commit: 9049fe4442d693b9fb3b3aa56999ae372b98e496
      https://github.com/dovecot/core/commit/9049fe4442d693b9fb3b3aa56999ae372b98e496
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2017-02-20 (Mon, 20 Feb 2017)

  Changed paths:
    M NEWS
    M configure.ac

  Log Message:
  -----------
  v2.2.28.rc1 released