[zanata/zanata-parent] a21d02: Upgrade maven release plugin version

[GitHub]

  Branch: refs/heads/integration/master
  Home:   https://github.com/zanata/zanata-parent
  Commit: a21d026988337e0e81659443a8bdd25a7393ab27
      https://github.com/zanata/zanata-parent/commit/a21d026988337e0e81659443a8bdd25a7393ab27
  Author: Alex Eng <aeng at redhat.com>
  Date:   2014-05-16 (Fri, 16 May 2014)

  Changed paths:
    M pom.xml

  Log Message:
  -----------
  Upgrade maven release plugin version