Fixing usage of query and read operations for Indicator API

Change-Id: Iaa071137ca386dfd0812c3bb23ddf31c667bef4e

src/SOL002/VNFIndicator/VNFIndicator.yaml

 swagger: "2.0"
 
 info: 
-  version: "2.3.1"
+  version: "1.1.1"
   title: "DRAFT VNF Indicator interface"
   description: >
-    DRAFT VNF Indicator interface of ETSI NFV SOL002
+    DRAFT VNF Indicator interface of ETSI NFV SOL002.
+    
+    This API allows the EM/VNF to provide information on value changes of VNF related indicators. 
+    VNF related indicators are declared in the VNFD.
+    
     IMPORTANT: Please note that this file might be not aligned to the current
     version of the ETSI Group Specification it refers to and has not been
     approved by the ETSI NFV ISG. In case of discrepancies the published ETSI
     Group Specification takes precedence.
-    Please report bugs to https://forge.etsi.org/bugzilla/buglist.cgi?component=Nfv-Openapis&list_id=61&product=NFV&resolution=---
+    Please report bugs to https://forge.etsi.org/bugzilla/buglist.cgi?component=Nfv-Openapis
   termsOfService: "http://etsi.org"
   contact: 
     name: "NFV-SOL WG"
   license:
     name: "ETSI Forge copyright notice"
     url: https://forge.etsi.org/etsi-forge-copyright-notice.txt
-
+  externalDocs:
+    description: ETSI GS NFV-SOL 002 V2.3.3
+    url: https://docbox.etsi.org/ISG/NFV/Open/Drafts/SOL002ed241_Ve-Vnfm_RESTful_protocols_spec/NFV-SOL002ed241v233.zip
 
 basePath: /vnfind/v1
 
@@ -221,18 +227,17 @@ paths:
          type: string
          required: true
       get:
-        summary: Query multiple indicators related to a VNF instance.
+        summary: Read an inidividual VNF indicator related to a VNF instance.
         description: >
-          Get a list of indicators related to a specific VNF instance. Support of attribute based filtering via query parameters.
+          Read an individual VNF indicator related to a specific VNF instance.
           NOTE: This identifier can be retrieved from the resource referenced by the "Location" HTTP header in the response to a 
           POST request creating a new VNF instance resource. It can also be retrieved from the "id" attribute in the payload body 
           of that response.
         responses:
           200:
             description: >
-              The list of VNF indicators was queried successfully.
-              The response body shall contain the representations of all VNF indicators that match
-              the attribute-based filtering parameters.
+              The VNF indicator was read successfully.
+              The response body shall contain the representation of the VNF indicator.
             schema:
               $ref: 'definitions/VnfIndicator_def.yaml#/definitions/VnfIndicator'                  
           400: { $ref: '../../responses/SOL002SOL003_resp.yaml#/responses/400' }
@@ -250,7 +255,7 @@ paths:
 
     /subscriptions:
       post:
-        summary: Create a new subscription
+        summary: Create a new subscription to VNF indicator change notifications
         description: Create a new subscription
         parameters:
          - name: subscription
@@ -284,7 +289,7 @@ paths:
           500: { $ref: '../../responses/SOL002SOL003_resp.yaml#/responses/500' }
           503: { $ref: '../../responses/SOL002SOL003_resp.yaml#/responses/503' }
       get:
-        summary: Query subscriptions.
+        summary: Query multiple subscriptions.
         description: >
           The GET method queries the list of active subscriptions of the functional block
           that invokes the method. It can be used e.g. for resynchronization after error situations.
@@ -384,7 +389,7 @@ paths:
 
     /subscriptions/{subscriptionId}:
       get:
-        summary: Query subscriptions.
+        summary: Read an individual subscription.
         description: >
           This resource represents an individual subscription. The client can use this resource to 
           read and to terminate a subscription to notifications related to VNF indicator value changes.