always create nfs storage with 'vers=3'

We should make that configurabel in future. But for now vers=3 seems to
be more reliable.

debian/changelog.Debian

 pve-manager (2.0-18) unstable; urgency=low
 
   * add Datacenter summary
+  
+  * use NFS version 3 by default when creating a new NFS storage.
 
  -- Proxmox Support Team <support@proxmox.com>  Fri, 23 Dec 2011 10:39:34 +0100
 

www/manager/storage/NFSEdit.js

@@ -63,6 +63,9 @@ Ext.define('PVE.storage.NFSInputPanel', {
 
 	if (me.create) {
 	    values.type = 'nfs';
+	    // hack: for now we always create nvf v3
+	    // fixme: make this configurable
+	    values.options = 'vers=3';
 	} else {
 	    delete values.storage;
 	}