API for deleting a link

gns3server/controller/hypervisor.py

@@ -114,3 +114,7 @@ class Hypervisor:
     @asyncio.coroutine
     def post(self, path, data={}):
         return (yield from self.httpQuery("POST", path, data))
+
+    @asyncio.coroutine
+    def delete(self, path):
+        return (yield from self.httpQuery("DELETE", path))

gns3server/handlers/api/controller/link_handler.py

@@ -60,7 +60,7 @@ class LinkHandler:
             "link_id": "UUID of the link"
         },
         status_codes={
-            201: "Link deleted",
+            204: "Link deleted",
             400: "Invalid request"
         },
         description="Delete a link instance")
@@ -70,5 +70,5 @@ class LinkHandler:
         project = controller.getProject(request.match_info["project_id"])
         link = project.getLink(request.match_info["link_id"])
         yield from link.delete()
-        response.set_status(201)
+        response.set_status(204)
         response.json(link)