[zanata/zanata-platform] 9104e9: fix(ZNTA-2730): add clear before batching

[GitHub]

  Branch: refs/heads/ZNTA-2730-mt-entitymanager-performance
  Home:   https://github.com/zanata/zanata-platform
  Commit: 9104e9a1d49354ef128d3fb5b25b3151a83b3fb9
      https://github.com/zanata/zanata-platform/commit/9104e9a1d49354ef128d3fb5b25b3151a83b3fb9
  Author: Damian Jansen <djansen at redhat.com>
  Date:   2018-08-06 (Mon, 06 Aug 2018)

  Changed paths:
    M server/services/src/main/java/org/zanata/service/impl/MachineTranslationServiceImpl.java
    M server/services/src/main/java/org/zanata/service/impl/TranslationServiceImpl.java

  Log Message:
  -----------
  fix(ZNTA-2730): add clear before batching

A large document set can also cause the process to fail on first
start. Also remove added whitespace.



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