AMBARI-3387 Allow the user to add HBase Master from the Host Details page (ababiichuk)
AMBARI-3389. Stack definition does not have the correct default for hstorefile_maxsize.
AMBARI-3388. Reassign Master Wizard: move NameNode in 1.x stack (non-secure). (akovalenko)
AMBARI-3390. Reassign Master Wizard: move Secondary NameNode in 1.x stack (non-secure). (akovalenko)