Add ID column to compute service list

This change adds the ID to the compute service list command so that the
ID can be leveraged by scripts trying to remove or update a specific
service.

Change-Id: I446b4c0071988133195eb2382313b3918b7ffa72
Closes-Bug: #1503430

Author: Alex Schultz

openstackclient/compute/v2/service.py

@@ -43,6 +43,7 @@ def take_action(self, parsed_args):
         self.log.debug("take_action(%s)", parsed_args)
         compute_client = self.app.client_manager.compute
         columns = (
+            "Id",
             "Binary",
             "Host",
             "Zone",