AMBARI-5341 Namenode unittests are broken (aonishuk via dsen)
AMBARI-5303 Some changes to OSCheck (aonishuk via dsen)
AMBARI-5338. Mirroring: JS error after deleting and creating dataset with the same name. (akovalenko)
AMBARI-5339 Checkboxes displayed incorrectly on "Assign Slaves and Clients" page on Install wizard. (ababiichuk)