[zanata/zanata] 7540d4: Update changelog for 1.5 release

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zanata/zanata
  Commit: 7540d479353e1df31a16172dcaab2714c5a53853
      https://github.com/zanata/zanata/commit/7540d479353e1df31a16172dcaab2714c5a53853
  Author: Alex Eng <aeng at redhat.com>
  Date:   2012-02-28 (Tue, 28 Feb 2012)

  Changed paths:
    M CHANGELOG.md

  Log Message:
  -----------
  Update changelog for 1.5 release