Display hostname the VPC router runs on

This is displayed on Infra tab and it's annoying that on the VPC
page only the link local is mentioned and not the hostname. That is
now corrected, so you have the correct details to login to the
router straight away.

Author: remibergsma

ui/scripts/network.js

@@ -5859,6 +5859,9 @@
                                     linklocalip: {
                                         label: 'label.linklocal.ip'
                                     },
+                                    hostname: {
+                                        label: 'label.host'
+                                    },
                                     state: {
                                         label: 'label.state'
                                     },