[zanata/zanata-platform] 71dfac: Update to jgettext 0.15

[GitHub]

  Branch: refs/heads/jgettext015
  Home:   https://github.com/zanata/zanata-platform
  Commit: 71dfac7c7be3b9366e2a89b1c8f8dc2d780f9340
      https://github.com/zanata/zanata-platform/commit/71dfac7c7be3b9366e2a89b1c8f8dc2d780f9340
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2017-12-07 (Thu, 07 Dec 2017)

  Changed paths:
    M common/pom.xml
    M server/pom.xml

  Log Message:
  -----------
  Update to jgettext 0.15