Added VM_metrics class, taking some of the fields from VM. Make VM.static_max

and static_min read-write.  Added VM.VCPUs/{max,at_startup}.  Make
VM.VCPUs/params a string -> string map.

This is the modelling, the C bindings, and the message file -- Xend support to
follow.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

tools/python/xen/xm/messages/en/xen-xm.po

@@ -19,7 +19,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: Xen-xm 3.0\n"
-"PO-Revision-Date: 2007-01-30 12:49+0000\n"
+"PO-Revision-Date: 2007-01-30 17:15+0000\n"
 "Last-Translator: Ewan Mellor <ewan@xensource.com>\n"
 "Language-Team: xen-devel <xen-devel@lists.xensource.com>\n"
 "MIME-Version: 1.0\n"
@@ -74,6 +74,9 @@ msgstr "The VIF handle %(1)s is invalid."
 msgid "VM_HANDLE_INVALID"
 msgstr "The VM handle %(1)s is invalid."
 
+msgid "VM_METRICS_HANDLE_INVALID"
+msgstr "The VM_metrics handle %(1)s is invalid."
+
 msgid "VTPM_HANDLE_INVALID"
 msgstr "The VTPM handle %(1)s is invalid."