Don't fail on already-released versions
Add unit tests to JiraReleaseVersionUpdater

Test the basic functionality and the bug fix to stop failing if the
version is already released
fix - merge pull-request#34
Merge pull request #39 from artkoshelev/RFQ-hub-ignore_already_released

Rfq hub ignore already released
FIX - use latests jenkins version
[maven-release-plugin] prepare release jira-1.39
[maven-release-plugin] prepare for next development iteration