Fixes #4552: add reports for nothing is to be done
Merge pull request #460 from ncharles/ust_4550/dev/4552_reports_no_op

Fixes #4552: add reports for nothing is to be done
Merge pull request #465 from VinceMacBuche/bug_4386/fix_machine_type

Fixes #4386: fix typo in api nodes in version 4
Merge pull request #466 from VinceMacBuche/ust_4578/imp_4579/Api_Nodes_inventory

Fixes #4579: Add inventory informations when looking for Nodes via API
Fixes #4619: Improve json prettifier