GUAC-586: Clarify auth result and include data source. Consistently refer to usernames as "username", not "user IDs".

guacamole/src/main/webapp/app/manage/controllers/manageUserController.js

@@ -153,7 +153,7 @@ angular.module('manage').controller('manageUserController', ['$scope', '$injecto
     });
     
     // Query the user's permissions for the current connection
-    permissionService.getPermissions(authenticationService.getCurrentUserID())
+    permissionService.getPermissions(authenticationService.getCurrentUsername())
             .success(function permissionsReceived(permissions) {
 
         $scope.permissions = permissions;