[zanata/zanata-server] 7b5a30: Update release ntoes

[GitHub]

  Branch: refs/heads/ZNTA-855-enforce-username
  Home:   https://github.com/zanata/zanata-server
  Commit: 7b5a30cdb10df304efea1c79bb371a54a274900c
      https://github.com/zanata/zanata-server/commit/7b5a30cdb10df304efea1c79bb371a54a274900c
  Author: Alex Eng <aeng at redhat.com>
  Date:   2016-05-31 (Tue, 31 May 2016)

  Changed paths:
    M docs/release-notes.md

  Log Message:
  -----------
  Update release ntoes