api2/access.rs: add ticket api

www/MainView.js

@@ -82,10 +82,20 @@ Ext.define('PBS.MainView', {
 
 	},
 
+	logout: function() {
+	    PBS.app.logout();
+	},
+
 	navigate: function(treelist, item) {
 	    this.redirectTo(item.get('path'));
 	},
 
+	control: {
+	    'button[reference=logoutButton]': {
+		click: 'logout'
+	    }
+	},
+
 	init: function(view) {
 	    var me = this;
 	    console.log("init");