MXS-2077 Expand 'maxctrl list sessions' somewhat

'maxctrl list sessions' will now show the connection
time and idleness in addition to the id, user, host
and service of the session. Further, the columns have
be reordered somewhat so that the id, user and host are
shown first, and the service last.

maxctrl/lib/list.js

@@ -119,9 +119,11 @@ exports.builder = function(yargs) {
             maxctrl(argv, function(host) {
                 return getCollection(host, 'sessions',[
                     {'Id': 'id'},
-                    {'Service': 'relationships.services.data[].id'},
                     {'User': 'attributes.user'},
-                    {'Host': 'attributes.remote'}
+                    {'Host': 'attributes.remote'},
+                    {'Connected': 'attributes.connected'},
+                    {'Idle': 'attributes.idle'},
+                    {'Service': 'relationships.services.data[].id'}
                 ])
             })
         })