Change sender to owner

Author: mickenordin

IETF-RFC.md

@@ -1054,7 +1054,7 @@ been shared, the Receiving Party MAY make an HTTP POST request
 
 ## Fields
 
-* REQUIRED sender (string)
+* REQUIRED owner (string)
   OCM Address of the user who will be requested to share
   the resource.
 * REQUIRED shareWith (string)

spec.yaml

@@ -903,11 +903,11 @@ components:
     RequestShare:
       type: object
       required:
-        - sender
+        - owner
         - shareWith
         - share
       properties:
-        sender:
+        owner:
           type: string
           description: >
             OCM Address of the user who will be requested to share