[zanata/zanata-server] f535f7: fix NPE after entityManager.clear()

[GitHub]

  Branch: refs/heads/jdbc-batch
  Home:   https://github.com/zanata/zanata-server
  Commit: f535f76bc416e2aae6f6266e16d4b5dbe439f0f9
      https://github.com/zanata/zanata-server/commit/f535f76bc416e2aae6f6266e16d4b5dbe439f0f9
  Author: Patrick Huang <pahuang at redhat.com>
  Date:   2014-09-17 (Wed, 17 Sep 2014)

  Changed paths:
    M functional-test/src/test/java/org/zanata/ExperimentTest.java
    A functional-test/src/test/java/org/zanata/feature/rest/CopyTransTest.java
    M functional-test/src/test/java/org/zanata/util/ZanataRestCaller.java
    M zanata-war/src/main/java/org/zanata/rest/service/ResourceUtils.java

  Log Message:
  -----------
  fix NPE after entityManager.clear()