major refactor

- add request status to search instance API
- use JSend-type response in elixForms clients
- readjust namespaces
- add more unit tests (manual HTTP requests too)

tests/Manual/api-authorization.http

@@ -0,0 +1,17 @@
+# Sample requests to try out authorization logic
+
+###
+# Authorization OK
+
+@term=MA
+
+GET http://localhost:8000/api/dipendenti/cerca?term={{term}}
+Authorization: Basic elixforms_ws:password123
+X-API-Key: myApiAccessToken
+
+###
+# Should return 401 Unauthorized
+
+@term=MA
+
+GET http://localhost:8000/api/dipendenti/cerca?term={{term}}

tests/Manual/elixforms-instances-search.http

@@ -0,0 +1,26 @@
+# Sample requests to trigger web service
+
+###
+# TAG not found
+
+GET http://localhost:8000/elixforms/instances/search?moduleTag=ANTANI&fieldName=responsabileScientifico.codiceFiscale&fieldValue=MMM
+
+###
+# No data found (choose a TAG with very few instances...)
+
+GET http://localhost:8000/elixforms/instances/search?moduleTag=RequestForm_EDILIZIA_RDA_MANUTENZIONE&fieldName=responsabileScientifico.codiceFiscale&fieldValue=MMM
+
+###
+# With one status
+
+GET http://localhost:8000/elixforms/instances/search?requestStatuses=PROCESSED&moduleTag=RequestForm_EDILIZIA_RDA_MANUTENZIONE&fieldName=responsabileScientifico.codiceFiscale&fieldValue=MMM
+
+###
+# With two statuses (comma-separated)
+
+GET http://localhost:8000/elixforms/instances/search?requestStatuses=PROCESSED,SUBMITTED&moduleTag=RequestForm_EDILIZIA_RDA_MANUTENZIONE&fieldName=responsabileScientifico.codiceFiscale&fieldValue=MMM
+
+###
+# With wrong status
+
+GET http://localhost:8000/elixforms/instances/search?requestStatuses=UNKNOWN&moduleTag=RequestForm_EDILIZIA_RDA_MANUTENZIONE&fieldName=responsabileScientifico.codiceFiscale&fieldValue=MMM