CPS-577: Prepare the request from client and send write request to dmi-plugin

CPS-577 - Getting issue details... STATUS

Since the DMI Plugin always needs an request body for at least the 'Additional Parameters' CPS_NCMP wil have to use PUT or POST to make a any (read or) write request.
The actual operation will be determine with 'operation' field in body. If this is not supplied 'read' wil be assumed as the default operation irrespective of the HTTP method used

Operation Mapping (success scenarios)

	Client → CPS-NCMP			CPS-NCMP → DMI-Plugin					DMI-Plugin → SDNC-C
	RESTful Method	Code	ResponseType	RESTful Method	Requestbody.operation	Code	ResponseType	Object Content	RESTful Method	Code	ResponseType
1	GET	200	ResponseEntity<Object>	POST	"read"	200	ResponseEntity<Object>	Object read	GET	200	ResponseEntity<Object>
2	POST	201	ResponseEntity<String> *just name/id		"create"			Unknown macro: {"resourceIdentifier"}	POST	2xx	?
3	PUT	200	ResponseEntity<Object>		"update"			Unknown macro: {"resourceIdentifier"}	PUT	2xx	?
4	PATCH	200	ResponseEntity<String> *just name/id		"patch"			Unknown macro: {"resourceIdentifier"}	PATCH	2xx	?
5	DELETE	204	ResponseEntity<Void>		"delete"			Unknown macro: {"resourceIdentifier"}	DELETE	204	void

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