AMBARI-8351. Restart ganglia starts off claiming aborted - completes anyway (dlysnichenko)
AMBARI-8364 Create mocks for installing repo versions per on hosts. (ababiichuk)
AMBARI-8298. Distribute Repositories/Install Components - custom action script (dlysnichenko)
AMBARI-8365 Unit tests for decommission mixins. (atkach)