[zanata/zanata-platform] f44eb3: fix: TM serializable issue (#529)

[GitHub]

  Branch: refs/heads/release
  Home:   https://github.com/zanata/zanata-platform
  Commit: f44eb39273acb633b951a555fbae03935537dfb2
      https://github.com/zanata/zanata-platform/commit/f44eb39273acb633b951a555fbae03935537dfb2
  Author: Alex Eng <aeng at redhat.com>
  Date:   2017-09-25 (Mon, 25 Sep 2017)

  Changed paths:
    M server/gwt-shared/src/main/java/org/zanata/webtrans/shared/rest/dto/InternalTMSource.java

  Log Message:
  -----------
  fix: TM serializable issue (#529)

https://zanata.atlassian.net/browse/ZNTA-2218: