operationid -> operationId

Signed-off-by: Alexey Rusakov <ktirf@users.sf.net>

api/client-server/cas_login_ticket.yaml

@@ -39,7 +39,7 @@ paths:
 
         If validation is unsuccessful, the server should respond with a ``401
         Unauthorized`` error, the body of which will be displayed to the user.
-      operationid: loginByCASTicket
+      operationId: loginByCASTicket
       parameters:
         - in: query
           type: string

api/client-server/content-repo.yaml

@@ -26,7 +26,7 @@ paths:
   "/upload":
     post:
       summary: Upload some content to the content repository.
-      operationid: uploadContent
+      operationId: uploadContent
       produces: ["application/json"]
       parameters:
         - in: header