[zanata/zanata-platform] 280df5: Update Maven to 3.5.2

[GitHub]

  Branch: refs/heads/maven_3_5
  Home:   https://github.com/zanata/zanata-platform
  Commit: 280df531e0cab5cc769f64d1cb12a610d1a9071f
      https://github.com/zanata/zanata-platform/commit/280df531e0cab5cc769f64d1cb12a610d1a9071f
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2017-11-01 (Wed, 01 Nov 2017)

  Changed paths:
    M .mvn/wrapper/maven-wrapper.properties

  Log Message:
  -----------
  Update Maven to 3.5.2