[zanata/zanata-platform] 50e133: Update guava to 23.5-jre

[GitHub]

  Branch: refs/heads/guava23
  Home:   https://github.com/zanata/zanata-platform
  Commit: 50e133f7777d63d63f2b55ed3b019998df47ec0a
      https://github.com/zanata/zanata-platform/commit/50e133f7777d63d63f2b55ed3b019998df47ec0a
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2017-12-12 (Tue, 12 Dec 2017)

  Changed paths:
    M server/pom.xml

  Log Message:
  -----------
  Update guava to 23.5-jre