move subscription API path to /nodes

This aligns it with PVE and allows the widget toolkit's update window
"refresh" to work without modifications once POST /apt/update is
implemented.

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>

www/Dashboard.js

@@ -209,7 +209,7 @@ Ext.define('PBS.Dashboard', {
 		autoDestroy: true,
 		proxy: {
 		    type: 'proxmox',
-		    url: '/api2/json/subscription'
+		    url: '/api2/json/nodes/localhost/subscription'
 		},
 		listeners: {
 		    load: 'updateSubscription'

www/Subscription.js

@@ -37,7 +37,7 @@ Ext.define('PBS.Subscription', {
 	    me.rstore.load();
 	};
 
-	var baseurl = '/subscription';
+	var baseurl = '/nodes/localhost/subscription';
 
 	var render_status = function(value) {