change default boot order to cdn

And disable Floppy option (till now we do not support floppies)

www/manager/qemu/BootOrderEdit.js

@@ -38,7 +38,7 @@ Ext.define('PVE.qemu.BootOrderPanel', {
 
 	me.vmconfig = vmconfig;
 
-	var order = me.vmconfig.boot || 'cad';
+	var order = me.vmconfig.boot || 'cdn';
 	me.bootdisk = me.vmconfig.bootdisk;
 	if (!me.vmconfig[me.bootdisk]) {
 	    me.bootdisk = undefined;
@@ -73,9 +73,9 @@ Ext.define('PVE.qemu.BootOrderPanel', {
 	if (sel1 !== 'n' && (sel2 !== 'n')) {
 	    list.push(['n', 'Network']);
 	}
-	if (sel1 !== 'a' && (sel2 !== 'a')) {
-	    list.push(['a', 'Floppy']);
-	}
+	//if (sel1 !== 'a' && (sel2 !== 'a')) {
+	//    list.push(['a', 'Floppy']);
+	//}
 	
 	if (includeNone) {
 	    list.push(['', 'None']);

www/manager/qemu/Options.js

@@ -62,13 +62,13 @@ Ext.define('PVE.qemu.Options', {
 	    },
 	    boot: {
 		header: 'Boot order',
-		defaultValue: 'cad',
+		defaultValue: 'cdn',
 		editor: 'PVE.qemu.BootOrderEdit',
 		renderer: function(order) {
 		    var i;
 		    var text = '';
 		    var bootdisk = me.getObjectValue('bootdisk');
-		    order = order || 'cad';
+		    order = order || 'cdn';
 		    for (i = 0; i < order.length; i++) {
 			var sel = order.substring(i, i + 1);
 			if (text) {