[Svn] [roundcube/roundcubemail] c99f6e: Add note about Elastic in changelog

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/roundcube/roundcubemail
  Commit: c99f6e4db133e69b26700354ef7e33573be47913
      https://github.com/roundcube/roundcubemail/commit/c99f6e4db133e69b26700354ef7e33573be47913
  Author: Aleksander Machniak <alec at alec.pl>
  Date:   2018-03-05 (Mon, 05 Mar 2018)

  Changed paths:
    M CHANGELOG

  Log Message:
  -----------
  Add note about Elastic in changelog