cyclades: Export hypervisor to backend-list cmd

snf-cyclades-app/synnefo/logic/management/commands/backend-list.py

@@ -74,7 +74,8 @@ class Command(ListCommand):
         "ips": (get_ips, "free/total number of public IPs"),
         "mem": (get_mem, "free/total memory (MB)"),
         "disk": (get_mem, "free/total disk (GB)"),
+        "hypervisor": ("hypervisor", "The hypervisor the backend is using"),
     }
 
     fields = ["id", "clustername", "port", "username", "drained", "offline",
-              "vms", "ips"]
+              "vms", "hypervisor", "ips"]