[zanata/zanata-server] 55bc4d: Update to GWT 2.8.0-beta1

[GitHub]

  Branch: refs/heads/gwt28
  Home:   https://github.com/zanata/zanata-server
  Commit: 55bc4db236b0803b47beba5d8cdb44ac8448cdd1
      https://github.com/zanata/zanata-server/commit/55bc4db236b0803b47beba5d8cdb44ac8448cdd1
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2016-02-24 (Wed, 24 Feb 2016)

  Changed paths:
    M pom.xml

  Log Message:
  -----------
  Update to GWT 2.8.0-beta1