rhbz1002774 - changed source plural will not generate invalid DTO
update zanata-adapter-po version to match latest
rhbz1002774 - minor refactor and fix HTextFlowHistoryJPATest
minor refactor
rhbz1002774 - change HTextFlow.setContents logic to ensure correctness
Simplify code for setContents
Merge pull request #150 from zanata/rhbz1002774-changed-plural

rhbz1002774 changed plural cause invalid po file