fix for bug BUGZ-3793 - cluster_alias= is now alias= in [infosys/cluster]
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This merge request is automatically copied from !655 (merged) orginally made by @floridop
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## fix for bug BUGZ-3793 - cluster_alias= is now alias= in [infosys/cluster]
Link to Bugzilla ticket
Description
cluster_alias in [infosys/cluster] is now alias. See relevant bugzilla for details.