[XENAPI] Example tools to create/destroy/shutdown VMs

Example Session:

xapi.py vm-list
xapi.py host-info
xapi.py vm-create xapi.domcfg.py
xapi.py vbd-create GentooAPI xapi.vbdcfg.py
xapi.py vif-create GentooAPI xapi.vifcfg.py
xapi.py vm-start GentooAPI
xapi.py vm-shutdown GentooAPI
xapi.py vm-delete xapi.py

signed-off-by: Alastair Tse <atse@xensource.com>

tools/python/scripts/xapi.vifcfg.py

@@ -0,0 +1,10 @@
+#
+# Virtual Network Interface Configuration for the Xen API
+#
+
+name = ''
+type = 'paravirtualised'
+#device = 'eth0' # this is the dom0 device, not domU!
+network = '' # ignored
+MAC = ''
+MTU = '1500'